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justinchen pushed a commit to branch c-ger-p
in repository https://gitbox.apache.org/repos/asf/iotdb.git

commit 247e88c24cb06d53a1930615bed09c596341d4ec
Author: Caideyipi <[email protected]>
AuthorDate: Thu Apr 16 09:55:51 2026 +0800

    part
---
 .../org/apache/iotdb/db/it/IoTDBRestServiceIT.java |    2 +-
 .../protocol/rest/v2/impl/RestApiServiceImpl.java  |   32 +-
 .../protocol/thrift/impl/ClientRPCServiceImpl.java | 1204 ++++++++++----------
 .../schemaengine/schemaregion/ISchemaRegion.java   |    4 +-
 .../schemaregion/impl/SchemaRegionMemoryImpl.java  |    4 +-
 .../schemaregion/impl/SchemaRegionPBTreeImpl.java  |    4 +-
 .../mtree/impl/mem/MTreeBelowSGMemoryImpl.java     |    4 +-
 7 files changed, 620 insertions(+), 634 deletions(-)

diff --git 
a/integration-test/src/test/java/org/apache/iotdb/db/it/IoTDBRestServiceIT.java 
b/integration-test/src/test/java/org/apache/iotdb/db/it/IoTDBRestServiceIT.java
index e8eca4937d5..61513272c29 100644
--- 
a/integration-test/src/test/java/org/apache/iotdb/db/it/IoTDBRestServiceIT.java
+++ 
b/integration-test/src/test/java/org/apache/iotdb/db/it/IoTDBRestServiceIT.java
@@ -18,8 +18,8 @@
  */
 package org.apache.iotdb.db.it;
 
-import org.apache.iotdb.db.queryengine.common.header.ColumnHeaderConstant;
 import org.apache.iotdb.db.it.utils.TestUtils;
+import org.apache.iotdb.db.queryengine.common.header.ColumnHeaderConstant;
 import org.apache.iotdb.it.env.EnvFactory;
 import org.apache.iotdb.it.env.cluster.env.SimpleEnv;
 import org.apache.iotdb.it.env.cluster.node.DataNodeWrapper;
diff --git 
a/iotdb-core/datanode/src/main/java/org/apache/iotdb/db/protocol/rest/v2/impl/RestApiServiceImpl.java
 
b/iotdb-core/datanode/src/main/java/org/apache/iotdb/db/protocol/rest/v2/impl/RestApiServiceImpl.java
index 594a1d794a4..05fc4b80084 100644
--- 
a/iotdb-core/datanode/src/main/java/org/apache/iotdb/db/protocol/rest/v2/impl/RestApiServiceImpl.java
+++ 
b/iotdb-core/datanode/src/main/java/org/apache/iotdb/db/protocol/rest/v2/impl/RestApiServiceImpl.java
@@ -35,6 +35,7 @@ import 
org.apache.iotdb.db.protocol.rest.v2.handler.RequestValidationHandler;
 import 
org.apache.iotdb.db.protocol.rest.v2.handler.StatementConstructionHandler;
 import org.apache.iotdb.db.protocol.rest.v2.model.InsertRecordsRequest;
 import org.apache.iotdb.db.protocol.rest.v2.model.InsertTabletRequest;
+import org.apache.iotdb.db.protocol.rest.v2.model.PrefixPathList;
 import org.apache.iotdb.db.protocol.rest.v2.model.QueryDataSet;
 import org.apache.iotdb.db.protocol.rest.v2.model.SQL;
 import org.apache.iotdb.db.protocol.session.IClientSession;
@@ -54,7 +55,6 @@ import 
org.apache.iotdb.db.queryengine.plan.parser.StatementGenerator;
 import org.apache.iotdb.db.queryengine.plan.statement.Statement;
 import org.apache.iotdb.db.queryengine.plan.statement.crud.InsertRowsStatement;
 import 
org.apache.iotdb.db.queryengine.plan.statement.crud.InsertTabletStatement;
-import org.apache.iotdb.db.queryengine.plan.statement.crud.QueryStatement;
 import org.apache.iotdb.db.schemaengine.SchemaEngine;
 import org.apache.iotdb.db.schemaengine.schemaregion.ISchemaRegion;
 import org.apache.iotdb.db.utils.CommonUtils;
@@ -102,7 +102,7 @@ public class RestApiServiceImpl extends RestApiService {
   public Response executeFastLastQueryStatement(
       PrefixPathList prefixPathList, SecurityContext securityContext) {
     Long queryId = null;
-    QueryStatement statement = null;
+    Statement statement = null;
     boolean finish = false;
     long startTime = System.nanoTime();
 
@@ -111,23 +111,7 @@ public class RestApiServiceImpl extends RestApiService {
 
       PartialPath prefixPath =
           new PartialPath(prefixPathList.getPrefixPaths().toArray(new 
String[0]));
-<<<<<<< 
HEAD:iotdb-core/datanode/src/main/java/org/apache/iotdb/db/protocol/rest/v2/impl/RestApiServiceImpl.java
       final Map<PartialPath, Map<String, TimeValuePair>> resultMap = new 
HashMap<>();
-=======
-      final Map<TableId, Map<IDeviceID, Map<String, Pair<TSDataType, 
TimeValuePair>>>> resultMap =
-          new HashMap<>();
-
-      // Check permission, the cost is rather low because the req only 
contains one prefix path
-      final IClientSession clientSession = SESSION_MANAGER.getCurrSession();
-      final TSLastDataQueryReq tsLastDataQueryReq =
-          FastLastHandler.createTSLastDataQueryReq(clientSession, 
prefixPathList);
-      statement = StatementGenerator.createStatement(tsLastDataQueryReq);
-
-      final Response response = 
authorizationHandler.checkAuthority(securityContext, statement);
-      if (response != null) {
-        return response;
-      }
->>>>>>> bb0f13b78bb (Enhance the last query permission && Fixed the rollback 
version of alter view / table plans && Deleted the unnecessary mods in Tree 
view deletion 
(#17465)):external-service-impl/rest/src/main/java/org/apache/iotdb/rest/protocol/v2/impl/RestApiServiceImpl.java
 
       final String prefixString = prefixPath.toString();
       for (ISchemaRegion region : 
SchemaEngine.getInstance().getAllSchemaRegions()) {
@@ -135,28 +119,22 @@ public class RestApiServiceImpl extends RestApiService {
             && !region.getDatabaseFullPath().startsWith(prefixString)) {
           continue;
         }
-<<<<<<< 
HEAD:iotdb-core/datanode/src/main/java/org/apache/iotdb/db/protocol/rest/v2/impl/RestApiServiceImpl.java
         region.fillLastQueryMap(prefixPath, resultMap);
-=======
-        region.fillLastQueryMap(prefixPath, resultMap, 
statement.getAuthorityScope());
->>>>>>> bb0f13b78bb (Enhance the last query permission && Fixed the rollback 
version of alter view / table plans && Deleted the unnecessary mods in Tree 
view deletion 
(#17465)):external-service-impl/rest/src/main/java/org/apache/iotdb/rest/protocol/v2/impl/RestApiServiceImpl.java
       }
-
       // Check cache first
-<<<<<<< 
HEAD:iotdb-core/datanode/src/main/java/org/apache/iotdb/db/protocol/rest/v2/impl/RestApiServiceImpl.java
       if 
(!DataNodeSchemaCache.getInstance().getDeviceSchemaCache().getLastCache(resultMap))
 {
         IClientSession clientSession = 
SESSION_MANAGER.getCurrSessionAndUpdateIdleTime();
         TSLastDataQueryReq tsLastDataQueryReq =
             FastLastHandler.createTSLastDataQueryReq(clientSession, 
prefixPathList);
         statement = StatementGenerator.createStatement(tsLastDataQueryReq);
 
-=======
-      if (!TableDeviceSchemaCache.getInstance().getLastCache(resultMap)) {
->>>>>>> bb0f13b78bb (Enhance the last query permission && Fixed the rollback 
version of alter view / table plans && Deleted the unnecessary mods in Tree 
view deletion 
(#17465)):external-service-impl/rest/src/main/java/org/apache/iotdb/rest/protocol/v2/impl/RestApiServiceImpl.java
         if (ExecuteStatementHandler.validateStatement(statement)) {
           return 
FastLastHandler.buildErrorResponse(TSStatusCode.EXECUTE_STATEMENT_ERROR);
         }
 
+        
Optional.ofNullable(authorizationHandler.checkAuthority(securityContext, 
statement))
+            .ifPresent(Response.class::cast);
+
         queryId = SESSION_MANAGER.requestQueryId();
         SessionInfo sessionInfo = 
SESSION_MANAGER.getSessionInfo(clientSession);
 
diff --git 
a/iotdb-core/datanode/src/main/java/org/apache/iotdb/db/protocol/thrift/impl/ClientRPCServiceImpl.java
 
b/iotdb-core/datanode/src/main/java/org/apache/iotdb/db/protocol/thrift/impl/ClientRPCServiceImpl.java
index 59b19f9a6cf..8a498fce2e3 100644
--- 
a/iotdb-core/datanode/src/main/java/org/apache/iotdb/db/protocol/thrift/impl/ClientRPCServiceImpl.java
+++ 
b/iotdb-core/datanode/src/main/java/org/apache/iotdb/db/protocol/thrift/impl/ClientRPCServiceImpl.java
@@ -216,7 +216,7 @@ public class ClientRPCServiceImpl implements 
IClientRPCServiceWithHandler {
   private static final CommonConfig COMMON_CONFIG = 
CommonDescriptor.getInstance().getConfig();
 
   private static final Logger SAMPLED_QUERIES_LOGGER =
-          LoggerFactory.getLogger(IoTDBConstant.SAMPLED_QUERIES_LOGGER_NAME);
+      LoggerFactory.getLogger(IoTDBConstant.SAMPLED_QUERIES_LOGGER_NAME);
 
   private static final Coordinator COORDINATOR = Coordinator.getInstance();
 
@@ -225,7 +225,7 @@ public class ClientRPCServiceImpl implements 
IClientRPCServiceWithHandler {
   public static final String ERROR_CODE = "error code: ";
 
   private static final TSProtocolVersion CURRENT_RPC_VERSION =
-          TSProtocolVersion.IOTDB_SERVICE_PROTOCOL_V3;
+      TSProtocolVersion.IOTDB_SERVICE_PROTOCOL_V3;
 
   private static final boolean ENABLE_AUDIT_LOG = config.isEnableAuditLog();
 
@@ -240,31 +240,31 @@ public class ClientRPCServiceImpl implements 
IClientRPCServiceWithHandler {
   public static final Duration DEFAULT_TIME_SLICE = new Duration(60_000, 
TimeUnit.MILLISECONDS);
 
   private static final int DEFAULT_MAX_TSBLOCK_SIZE_IN_BYTES =
-          
TSFileDescriptor.getInstance().getConfig().getMaxTsBlockSizeInBytes();
+      TSFileDescriptor.getInstance().getConfig().getMaxTsBlockSizeInBytes();
 
   private static final String NO_QUERY_EXECUTION_ERR_MSG =
-          "Query is not found, it may be killed by others, timeout or some 
other runtime errors, you can see more details in server log.";
+      "Query is not found, it may be killed by others, timeout or some other 
runtime errors, you can see more details in server log.";
 
   @FunctionalInterface
   public interface SelectResult {
     boolean apply(TSExecuteStatementResp resp, IQueryExecution queryExecution, 
int fetchSize)
-            throws IoTDBException, IOException;
+        throws IoTDBException, IOException;
   }
 
   private static final SelectResult SELECT_RESULT =
-          (resp, queryExecution, fetchSize) -> {
-            Pair<List<ByteBuffer>, Boolean> pair =
-                    
QueryDataSetUtils.convertQueryResultByFetchSize(queryExecution, fetchSize);
-            resp.setQueryResult(pair.left);
-            return pair.right;
-          };
+      (resp, queryExecution, fetchSize) -> {
+        Pair<List<ByteBuffer>, Boolean> pair =
+            QueryDataSetUtils.convertQueryResultByFetchSize(queryExecution, 
fetchSize);
+        resp.setQueryResult(pair.left);
+        return pair.right;
+      };
 
   private static final SelectResult OLD_SELECT_RESULT =
-          (resp, queryExecution, fetchSize) -> {
-            Pair<TSQueryDataSet, Boolean> pair = 
convertTsBlockByFetchSize(queryExecution, fetchSize);
-            resp.setQueryDataSet(pair.left);
-            return pair.right;
-          };
+      (resp, queryExecution, fetchSize) -> {
+        Pair<TSQueryDataSet, Boolean> pair = 
convertTsBlockByFetchSize(queryExecution, fetchSize);
+        resp.setQueryDataSet(pair.left);
+        return pair.right;
+      };
 
   public ClientRPCServiceImpl() {
     partitionFetcher = ClusterPartitionFetcher.getInstance();
@@ -272,7 +272,7 @@ public class ClientRPCServiceImpl implements 
IClientRPCServiceWithHandler {
   }
 
   private TSExecuteStatementResp executeStatementInternal(
-          TSExecuteStatementReq req, SelectResult setResult) {
+      TSExecuteStatementReq req, SelectResult setResult) {
     boolean finished = false;
     long queryId = Long.MIN_VALUE;
     String statement = req.getStatement();
@@ -291,8 +291,8 @@ public class ClientRPCServiceImpl implements 
IClientRPCServiceWithHandler {
 
       if (s == null) {
         return RpcUtils.getTSExecuteStatementResp(
-                RpcUtils.getStatus(
-                        TSStatusCode.SQL_PARSE_ERROR, "This operation type is 
not supported"));
+            RpcUtils.getStatus(
+                TSStatusCode.SQL_PARSE_ERROR, "This operation type is not 
supported"));
       }
       // permission check
       TSStatus status = AuthorityChecker.checkAuthority(s, clientSession);
@@ -301,8 +301,8 @@ public class ClientRPCServiceImpl implements 
IClientRPCServiceWithHandler {
       }
 
       quota =
-              DataNodeThrottleQuotaManager.getInstance()
-                      
.checkQuota(SESSION_MANAGER.getCurrSession().getUsername(), s);
+          DataNodeThrottleQuotaManager.getInstance()
+              .checkQuota(SESSION_MANAGER.getCurrSession().getUsername(), s);
       statementType = s.getType();
       if (ENABLE_AUDIT_LOG) {
         AuditLogger.log(statement, s);
@@ -314,30 +314,30 @@ public class ClientRPCServiceImpl implements 
IClientRPCServiceWithHandler {
       ExecutionResult result;
       if (s.shouldSplit()) {
         result =
-                executeBatchStatement(
-                        s,
-                        queryId,
-                        SESSION_MANAGER.getSessionInfo(clientSession),
-                        statement,
-                        partitionFetcher,
-                        schemaFetcher,
-                        config.getQueryTimeoutThreshold(),
-                        true);
+            executeBatchStatement(
+                s,
+                queryId,
+                SESSION_MANAGER.getSessionInfo(clientSession),
+                statement,
+                partitionFetcher,
+                schemaFetcher,
+                config.getQueryTimeoutThreshold(),
+                true);
       } else {
         result =
-                COORDINATOR.executeForTreeModel(
-                        s,
-                        queryId,
-                        SESSION_MANAGER.getSessionInfo(clientSession),
-                        statement,
-                        partitionFetcher,
-                        schemaFetcher,
-                        req.getTimeout(),
-                        true);
+            COORDINATOR.executeForTreeModel(
+                s,
+                queryId,
+                SESSION_MANAGER.getSessionInfo(clientSession),
+                statement,
+                partitionFetcher,
+                schemaFetcher,
+                req.getTimeout(),
+                true);
       }
 
       if (result.status.code != TSStatusCode.SUCCESS_STATUS.getStatusCode()
-              && result.status.code != 
TSStatusCode.REDIRECTION_RECOMMEND.getStatusCode()) {
+          && result.status.code != 
TSStatusCode.REDIRECTION_RECOMMEND.getStatusCode()) {
         finished = true;
         return RpcUtils.getTSExecuteStatementResp(result.status);
       }
@@ -362,7 +362,7 @@ public class ClientRPCServiceImpl implements 
IClientRPCServiceWithHandler {
       finished = true;
       t = e;
       return RpcUtils.getTSExecuteStatementResp(
-              onQueryException(e, "\"" + statement + "\". " + 
OperationType.EXECUTE_STATEMENT));
+          onQueryException(e, "\"" + statement + "\". " + 
OperationType.EXECUTE_STATEMENT));
     } catch (Error error) {
       finished = true;
       t = error;
@@ -374,14 +374,14 @@ public class ClientRPCServiceImpl implements 
IClientRPCServiceWithHandler {
       // record each operation time cost
       if (statementType != null) {
         CommonUtils.addStatementExecutionLatency(
-                OperationType.EXECUTE_QUERY_STATEMENT, statementType.name(), 
currentOperationCost);
+            OperationType.EXECUTE_QUERY_STATEMENT, statementType.name(), 
currentOperationCost);
       }
 
       if (finished) {
         // record total time cost for one query
         long executionTime = COORDINATOR.getTotalExecutionTime(queryId);
         CommonUtils.addQueryLatency(
-                statementType, executionTime > 0 ? executionTime : 
currentOperationCost);
+            statementType, executionTime > 0 ? executionTime : 
currentOperationCost);
         COORDINATOR.cleanupQueryExecution(queryId, req, t);
       }
       SESSION_MANAGER.updateIdleTime();
@@ -392,7 +392,7 @@ public class ClientRPCServiceImpl implements 
IClientRPCServiceWithHandler {
   }
 
   private TSExecuteStatementResp executeRawDataQueryInternal(
-          TSRawDataQueryReq req, SelectResult setResult) {
+      TSRawDataQueryReq req, SelectResult setResult) {
     boolean finished = false;
     long queryId = Long.MIN_VALUE;
     IClientSession clientSession = 
SESSION_MANAGER.getCurrSessionAndUpdateIdleTime();
@@ -412,8 +412,8 @@ public class ClientRPCServiceImpl implements 
IClientRPCServiceWithHandler {
       }
 
       quota =
-              DataNodeThrottleQuotaManager.getInstance()
-                      
.checkQuota(SESSION_MANAGER.getCurrSession().getUsername(), s);
+          DataNodeThrottleQuotaManager.getInstance()
+              .checkQuota(SESSION_MANAGER.getCurrSession().getUsername(), s);
 
       if (ENABLE_AUDIT_LOG) {
         AuditLogger.log(String.format("execute Raw Data Query: %s", req), s);
@@ -421,15 +421,15 @@ public class ClientRPCServiceImpl implements 
IClientRPCServiceWithHandler {
       queryId = SESSION_MANAGER.requestQueryId(clientSession, req.statementId);
       // create and cache dataset
       ExecutionResult result =
-              COORDINATOR.executeForTreeModel(
-                      s,
-                      queryId,
-                      SESSION_MANAGER.getSessionInfo(clientSession),
-                      "",
-                      partitionFetcher,
-                      schemaFetcher,
-                      req.getTimeout(),
-                      true);
+          COORDINATOR.executeForTreeModel(
+              s,
+              queryId,
+              SESSION_MANAGER.getSessionInfo(clientSession),
+              "",
+              partitionFetcher,
+              schemaFetcher,
+              req.getTimeout(),
+              true);
 
       if (result.status.code != TSStatusCode.SUCCESS_STATUS.getStatusCode()) {
         finished = true;
@@ -455,7 +455,7 @@ public class ClientRPCServiceImpl implements 
IClientRPCServiceWithHandler {
       finished = true;
       t = e;
       return RpcUtils.getTSExecuteStatementResp(
-              onQueryException(e, "\"" + req + "\". " + 
OperationType.EXECUTE_RAW_DATA_QUERY));
+          onQueryException(e, "\"" + req + "\". " + 
OperationType.EXECUTE_RAW_DATA_QUERY));
     } catch (Error error) {
       finished = true;
       t = error;
@@ -466,13 +466,13 @@ public class ClientRPCServiceImpl implements 
IClientRPCServiceWithHandler {
 
       // record each operation time cost
       CommonUtils.addStatementExecutionLatency(
-              OperationType.EXECUTE_RAW_DATA_QUERY, 
StatementType.QUERY.name(), currentOperationCost);
+          OperationType.EXECUTE_RAW_DATA_QUERY, StatementType.QUERY.name(), 
currentOperationCost);
 
       if (finished) {
         // record total time cost for one query
         long executionTime = COORDINATOR.getTotalExecutionTime(queryId);
         CommonUtils.addQueryLatency(
-                StatementType.QUERY, executionTime > 0 ? executionTime : 
currentOperationCost);
+            StatementType.QUERY, executionTime > 0 ? executionTime : 
currentOperationCost);
         COORDINATOR.cleanupQueryExecution(queryId, req, t);
       }
 
@@ -484,7 +484,7 @@ public class ClientRPCServiceImpl implements 
IClientRPCServiceWithHandler {
   }
 
   private TSExecuteStatementResp executeLastDataQueryInternal(
-          TSLastDataQueryReq req, SelectResult setResult) {
+      TSLastDataQueryReq req, SelectResult setResult) {
     boolean finished = false;
     long queryId = Long.MIN_VALUE;
     IClientSession clientSession = 
SESSION_MANAGER.getCurrSessionAndUpdateIdleTime();
@@ -503,8 +503,8 @@ public class ClientRPCServiceImpl implements 
IClientRPCServiceWithHandler {
       }
 
       quota =
-              DataNodeThrottleQuotaManager.getInstance()
-                      
.checkQuota(SESSION_MANAGER.getCurrSession().getUsername(), s);
+          DataNodeThrottleQuotaManager.getInstance()
+              .checkQuota(SESSION_MANAGER.getCurrSession().getUsername(), s);
 
       if (ENABLE_AUDIT_LOG) {
         AuditLogger.log(String.format("Last Data Query: %s", req), s);
@@ -512,15 +512,15 @@ public class ClientRPCServiceImpl implements 
IClientRPCServiceWithHandler {
       queryId = SESSION_MANAGER.requestQueryId(clientSession, req.statementId);
       // create and cache dataset
       ExecutionResult result =
-              COORDINATOR.executeForTreeModel(
-                      s,
-                      queryId,
-                      SESSION_MANAGER.getSessionInfo(clientSession),
-                      "",
-                      partitionFetcher,
-                      schemaFetcher,
-                      req.getTimeout(),
-                      true);
+          COORDINATOR.executeForTreeModel(
+              s,
+              queryId,
+              SESSION_MANAGER.getSessionInfo(clientSession),
+              "",
+              partitionFetcher,
+              schemaFetcher,
+              req.getTimeout(),
+              true);
 
       if (result.status.code != TSStatusCode.SUCCESS_STATUS.getStatusCode()) {
         finished = true;
@@ -547,7 +547,7 @@ public class ClientRPCServiceImpl implements 
IClientRPCServiceWithHandler {
       finished = true;
       t = e;
       return RpcUtils.getTSExecuteStatementResp(
-              onQueryException(e, "\"" + req + "\". " + 
OperationType.EXECUTE_LAST_DATA_QUERY));
+          onQueryException(e, "\"" + req + "\". " + 
OperationType.EXECUTE_LAST_DATA_QUERY));
     } catch (Error error) {
       finished = true;
       t = error;
@@ -559,13 +559,13 @@ public class ClientRPCServiceImpl implements 
IClientRPCServiceWithHandler {
 
       // record each operation time cost
       CommonUtils.addStatementExecutionLatency(
-              OperationType.EXECUTE_LAST_DATA_QUERY, 
StatementType.QUERY.name(), currentOperationCost);
+          OperationType.EXECUTE_LAST_DATA_QUERY, StatementType.QUERY.name(), 
currentOperationCost);
 
       if (finished) {
         // record total time cost for one query
         long executionTime = COORDINATOR.getTotalExecutionTime(queryId);
         CommonUtils.addQueryLatency(
-                StatementType.QUERY, executionTime > 0 ? executionTime : 
currentOperationCost);
+            StatementType.QUERY, executionTime > 0 ? executionTime : 
currentOperationCost);
         COORDINATOR.cleanupQueryExecution(queryId, req, t);
       }
 
@@ -577,7 +577,7 @@ public class ClientRPCServiceImpl implements 
IClientRPCServiceWithHandler {
   }
 
   private TSExecuteStatementResp executeAggregationQueryInternal(
-          TSAggregationQueryReq req, SelectResult setResult) {
+      TSAggregationQueryReq req, SelectResult setResult) {
     boolean finished = false;
     long queryId = Long.MIN_VALUE;
     IClientSession clientSession = 
SESSION_MANAGER.getCurrSessionAndUpdateIdleTime();
@@ -596,21 +596,21 @@ public class ClientRPCServiceImpl implements 
IClientRPCServiceWithHandler {
       }
 
       quota =
-              DataNodeThrottleQuotaManager.getInstance()
-                      
.checkQuota(SESSION_MANAGER.getCurrSession().getUsername(), s);
+          DataNodeThrottleQuotaManager.getInstance()
+              .checkQuota(SESSION_MANAGER.getCurrSession().getUsername(), s);
 
       queryId = SESSION_MANAGER.requestQueryId(clientSession, req.statementId);
       // create and cache dataset
       ExecutionResult result =
-              COORDINATOR.executeForTreeModel(
-                      s,
-                      queryId,
-                      SESSION_MANAGER.getSessionInfo(clientSession),
-                      "",
-                      partitionFetcher,
-                      schemaFetcher,
-                      req.getTimeout(),
-                      true);
+          COORDINATOR.executeForTreeModel(
+              s,
+              queryId,
+              SESSION_MANAGER.getSessionInfo(clientSession),
+              "",
+              partitionFetcher,
+              schemaFetcher,
+              req.getTimeout(),
+              true);
 
       if (result.status.code != TSStatusCode.SUCCESS_STATUS.getStatusCode()) {
         finished = true;
@@ -637,7 +637,7 @@ public class ClientRPCServiceImpl implements 
IClientRPCServiceWithHandler {
       finished = true;
       t = e;
       return RpcUtils.getTSExecuteStatementResp(
-              onQueryException(e, "\"" + req + "\". " + 
OperationType.EXECUTE_LAST_DATA_QUERY));
+          onQueryException(e, "\"" + req + "\". " + 
OperationType.EXECUTE_LAST_DATA_QUERY));
     } catch (Error error) {
       finished = true;
       t = error;
@@ -649,13 +649,13 @@ public class ClientRPCServiceImpl implements 
IClientRPCServiceWithHandler {
 
       // record each operation time cost
       CommonUtils.addStatementExecutionLatency(
-              OperationType.EXECUTE_AGG_QUERY, StatementType.QUERY.name(), 
currentOperationCost);
+          OperationType.EXECUTE_AGG_QUERY, StatementType.QUERY.name(), 
currentOperationCost);
 
       if (finished) {
         // record total time cost for one query
         long executionTime = COORDINATOR.getTotalExecutionTime(queryId);
         CommonUtils.addQueryLatency(
-                StatementType.QUERY, executionTime > 0 ? executionTime : 
currentOperationCost);
+            StatementType.QUERY, executionTime > 0 ? executionTime : 
currentOperationCost);
         COORDINATOR.cleanupQueryExecution(queryId, req, t);
       }
 
@@ -667,37 +667,37 @@ public class ClientRPCServiceImpl implements 
IClientRPCServiceWithHandler {
   }
 
   private final List<InputLocation[]> inputLocationList =
-          Collections.singletonList(new InputLocation[] {new InputLocation(0, 
0)});
+      Collections.singletonList(new InputLocation[] {new InputLocation(0, 0)});
 
   @SuppressWarnings("java:S2095") // close() do nothing
   private List<TsBlock> executeGroupByQueryInternal(
-          SessionInfo sessionInfo,
-          String device,
-          String measurement,
-          TSDataType dataType,
-          boolean isAligned,
-          long startTime,
-          long endTime,
-          long interval,
-          TAggregationType aggregationType,
-          List<DataRegion> dataRegionList)
-          throws IllegalPathException {
+      SessionInfo sessionInfo,
+      String device,
+      String measurement,
+      TSDataType dataType,
+      boolean isAligned,
+      long startTime,
+      long endTime,
+      long interval,
+      TAggregationType aggregationType,
+      List<DataRegion> dataRegionList)
+      throws IllegalPathException {
 
     int dataRegionSize = dataRegionList.size();
     if (dataRegionSize != 1) {
       throw new IllegalArgumentException(
-              "dataRegionList.size() should only be 1 now,  current size is " 
+ dataRegionSize);
+          "dataRegionList.size() should only be 1 now,  current size is " + 
dataRegionSize);
     }
 
     Filter timeFilter = TimeFilterApi.between(startTime, endTime - 1);
 
     FakedFragmentInstanceContext fragmentInstanceContext =
-            new FakedFragmentInstanceContext(timeFilter, 
dataRegionList.get(0));
+        new FakedFragmentInstanceContext(timeFilter, dataRegionList.get(0));
 
     DriverContext driverContext = new DriverContext(fragmentInstanceContext, 
0);
     PlanNodeId planNodeId = new PlanNodeId("1");
     OperatorContext operatorContext =
-            new OperatorContext(1, planNodeId, 
"SeriesAggregationScanOperator", driverContext);
+        new OperatorContext(1, planNodeId, "SeriesAggregationScanOperator", 
driverContext);
     operatorContext.setMaxRunTime(DEFAULT_TIME_SLICE);
 
     SeriesScanOptions.Builder scanOptionsBuilder = new 
SeriesScanOptions.Builder();
@@ -706,47 +706,47 @@ public class ClientRPCServiceImpl implements 
IClientRPCServiceWithHandler {
 
     String aggregationName = 
SchemaUtils.getBuiltinAggregationName(aggregationType);
     Aggregator aggregator =
-            new Aggregator(
-                    AccumulatorFactory.createAccumulator(
-                            aggregationName,
-                            aggregationType,
-                            Collections.singletonList(dataType),
-                            null,
-                            null,
-                            true,
-                            true),
-                    AggregationStep.SINGLE,
-                    inputLocationList);
+        new Aggregator(
+            AccumulatorFactory.createAccumulator(
+                aggregationName,
+                aggregationType,
+                Collections.singletonList(dataType),
+                null,
+                null,
+                true,
+                true),
+            AggregationStep.SINGLE,
+            inputLocationList);
 
     GroupByTimeParameter groupByTimeParameter =
-            new GroupByTimeParameter(
-                    startTime, endTime, new TimeDuration(0, interval), new 
TimeDuration(0, interval), true);
+        new GroupByTimeParameter(
+            startTime, endTime, new TimeDuration(0, interval), new 
TimeDuration(0, interval), true);
 
     IMeasurementSchema measurementSchema = new MeasurementSchema(measurement, 
dataType);
     AbstractSeriesAggregationScanOperator operator;
     boolean canUseStatistics =
-            !TSDataType.BLOB.equals(dataType)
-                    || (!TAggregationType.LAST_VALUE.equals(aggregationType)
-                    && !TAggregationType.FIRST_VALUE.equals(aggregationType));
+        !TSDataType.BLOB.equals(dataType)
+            || (!TAggregationType.LAST_VALUE.equals(aggregationType)
+                && !TAggregationType.FIRST_VALUE.equals(aggregationType));
     PartialPath path;
     if (isAligned) {
       path =
-              new AlignedPath(
-                      device.split("\\."),
-                      Collections.singletonList(measurement),
-                      Collections.singletonList(measurementSchema));
+          new AlignedPath(
+              device.split("\\."),
+              Collections.singletonList(measurement),
+              Collections.singletonList(measurementSchema));
       operator =
-              new AlignedSeriesAggregationScanOperator(
-                      planNodeId,
-                      (AlignedPath) path,
-                      Ordering.ASC,
-                      scanOptionsBuilder.build(),
-                      operatorContext,
-                      Collections.singletonList(aggregator),
-                      initTimeRangeIterator(groupByTimeParameter, true, true, 
sessionInfo.getZoneId()),
-                      groupByTimeParameter,
-                      DEFAULT_MAX_TSBLOCK_SIZE_IN_BYTES,
-                      canUseStatistics);
+          new AlignedSeriesAggregationScanOperator(
+              planNodeId,
+              (AlignedPath) path,
+              Ordering.ASC,
+              scanOptionsBuilder.build(),
+              operatorContext,
+              Collections.singletonList(aggregator),
+              initTimeRangeIterator(groupByTimeParameter, true, true, 
sessionInfo.getZoneId()),
+              groupByTimeParameter,
+              DEFAULT_MAX_TSBLOCK_SIZE_IN_BYTES,
+              canUseStatistics);
     } else {
       String[] splits = device.split("\\.");
       String[] fullPaths = new String[splits.length + 1];
@@ -754,17 +754,17 @@ public class ClientRPCServiceImpl implements 
IClientRPCServiceWithHandler {
       fullPaths[splits.length] = measurement;
       path = new MeasurementPath(fullPaths, measurementSchema);
       operator =
-              new SeriesAggregationScanOperator(
-                      planNodeId,
-                      path,
-                      Ordering.ASC,
-                      scanOptionsBuilder.build(),
-                      operatorContext,
-                      Collections.singletonList(aggregator),
-                      initTimeRangeIterator(groupByTimeParameter, true, true, 
sessionInfo.getZoneId()),
-                      groupByTimeParameter,
-                      DEFAULT_MAX_TSBLOCK_SIZE_IN_BYTES,
-                      canUseStatistics);
+          new SeriesAggregationScanOperator(
+              planNodeId,
+              path,
+              Ordering.ASC,
+              scanOptionsBuilder.build(),
+              operatorContext,
+              Collections.singletonList(aggregator),
+              initTimeRangeIterator(groupByTimeParameter, true, true, 
sessionInfo.getZoneId()),
+              groupByTimeParameter,
+              DEFAULT_MAX_TSBLOCK_SIZE_IN_BYTES,
+              canUseStatistics);
     }
 
     try {
@@ -811,7 +811,7 @@ public class ClientRPCServiceImpl implements 
IClientRPCServiceWithHandler {
 
   @Override
   public TSExecuteStatementResp executeFastLastDataQueryForOnePrefixPath(
-          final TSFastLastDataQueryForOnePrefixPathReq req) {
+      final TSFastLastDataQueryForOnePrefixPathReq req) {
     final IClientSession clientSession = 
SESSION_MANAGER.getCurrSessionAndUpdateIdleTime();
     if (!SESSION_MANAGER.checkLogin(clientSession)) {
       return RpcUtils.getTSExecuteStatementResp(getNotLoggedInStatus());
@@ -824,9 +824,9 @@ public class ClientRPCServiceImpl implements 
IClientRPCServiceWithHandler {
       final PartialPath prefixPath = new 
PartialPath(req.getPrefixes().toArray(new String[0]));
       if (prefixPath.hasWildcard()) {
         RpcUtils.getTSExecuteStatementResp(
-                new TSStatus(TSStatusCode.SEMANTIC_ERROR.getStatusCode())
-                        .setMessage(
-                                "The 
\"executeFastLastDataQueryForOnePrefixPath\" dos not support wildcards."));
+            new TSStatus(TSStatusCode.SEMANTIC_ERROR.getStatusCode())
+                .setMessage(
+                    "The \"executeFastLastDataQueryForOnePrefixPath\" dos not 
support wildcards."));
       }
 
       final Map<PartialPath, Map<String, TimeValuePair>> resultMap = new 
HashMap<>();
@@ -835,7 +835,7 @@ public class ClientRPCServiceImpl implements 
IClientRPCServiceWithHandler {
       final String prefixString = prefixPath.toString();
       for (final ISchemaRegion region : 
SchemaEngine.getInstance().getAllSchemaRegions()) {
         if (!prefixString.startsWith(region.getDatabaseFullPath())
-                && !region.getDatabaseFullPath().startsWith(prefixString)) {
+            && !region.getDatabaseFullPath().startsWith(prefixString)) {
           continue;
         }
         sensorNum += region.fillLastQueryMap(prefixPath, resultMap);
@@ -851,27 +851,27 @@ public class ClientRPCServiceImpl implements 
IClientRPCServiceWithHandler {
       final TsBlockBuilder builder = 
LastQueryUtil.createTsBlockBuilder(sensorNum);
 
       for (final Map.Entry<PartialPath, Map<String, TimeValuePair>> 
device2MeasurementLastEntry :
-              resultMap.entrySet()) {
+          resultMap.entrySet()) {
         final String deviceWithSeparator =
-                device2MeasurementLastEntry.getKey() + 
TsFileConstant.PATH_SEPARATOR;
+            device2MeasurementLastEntry.getKey() + 
TsFileConstant.PATH_SEPARATOR;
         for (final Map.Entry<String, TimeValuePair> measurementLastEntry :
-                device2MeasurementLastEntry.getValue().entrySet()) {
+            device2MeasurementLastEntry.getValue().entrySet()) {
           final TimeValuePair tvPair = measurementLastEntry.getValue();
           if (tvPair != DeviceLastCache.EMPTY_TIME_VALUE_PAIR) {
             LastQueryUtil.appendLastValue(
-                    builder,
-                    tvPair.getTimestamp(),
-                    new Binary(
-                            deviceWithSeparator + 
measurementLastEntry.getKey(),
-                            TSFileConfig.STRING_CHARSET),
-                    tvPair.getValue().getStringValue(),
-                    tvPair.getValue().getDataType().name());
+                builder,
+                tvPair.getTimestamp(),
+                new Binary(
+                    deviceWithSeparator + measurementLastEntry.getKey(),
+                    TSFileConfig.STRING_CHARSET),
+                tvPair.getValue().getStringValue(),
+                tvPair.getValue().getDataType().name());
           }
         }
       }
 
       final TSExecuteStatementResp resp =
-              createResponse(DatasetHeaderFactory.getLastQueryHeader(), 
queryId);
+          createResponse(DatasetHeaderFactory.getLastQueryHeader(), queryId);
       resp.setStatus(RpcUtils.getStatus(TSStatusCode.SUCCESS_STATUS, ""));
       if (builder.isEmpty()) {
         resp.setQueryResult(Collections.emptyList());
@@ -883,17 +883,17 @@ public class ClientRPCServiceImpl implements 
IClientRPCServiceWithHandler {
       return resp;
     } catch (final Exception e) {
       return RpcUtils.getTSExecuteStatementResp(
-              onQueryException(e, "\"" + req + "\". " + 
OperationType.EXECUTE_LAST_DATA_QUERY));
+          onQueryException(e, "\"" + req + "\". " + 
OperationType.EXECUTE_LAST_DATA_QUERY));
     }
   }
 
   private TSLastDataQueryReq convert(final 
TSFastLastDataQueryForOnePrefixPathReq req) {
     TSLastDataQueryReq tsLastDataQueryReq =
-            new TSLastDataQueryReq(
-                    req.sessionId,
-                    Collections.singletonList(String.join(".", 
req.getPrefixes()) + ".**"),
-                    Long.MIN_VALUE,
-                    req.statementId);
+        new TSLastDataQueryReq(
+            req.sessionId,
+            Collections.singletonList(String.join(".", req.getPrefixes()) + 
".**"),
+            Long.MIN_VALUE,
+            req.statementId);
     tsLastDataQueryReq.setFetchSize(req.fetchSize);
     tsLastDataQueryReq.setEnableRedirectQuery(req.enableRedirectQuery);
     tsLastDataQueryReq.setLegalPathNodes(true);
@@ -903,7 +903,7 @@ public class ClientRPCServiceImpl implements 
IClientRPCServiceWithHandler {
 
   @Override
   public TSExecuteStatementResp executeFastLastDataQueryForOneDeviceV2(
-          TSFastLastDataQueryForOneDeviceReq req) {
+      TSFastLastDataQueryForOneDeviceReq req) {
     boolean finished = false;
     long queryId = Long.MIN_VALUE;
     IClientSession clientSession = 
SESSION_MANAGER.getCurrSessionAndUpdateIdleTime();
@@ -931,18 +931,18 @@ public class ClientRPCServiceImpl implements 
IClientRPCServiceWithHandler {
       }
 
       DataPartitionQueryParam queryParam =
-              new DataPartitionQueryParam(deviceId, Collections.emptyList(), 
true, true);
+          new DataPartitionQueryParam(deviceId, Collections.emptyList(), true, 
true);
       DataPartition dataPartition =
-              partitionFetcher.getDataPartitionWithUnclosedTimeRange(
-                      Collections.singletonMap(db, 
Collections.singletonList(queryParam)));
+          partitionFetcher.getDataPartitionWithUnclosedTimeRange(
+              Collections.singletonMap(db, 
Collections.singletonList(queryParam)));
       List<TRegionReplicaSet> regionReplicaSets =
-              dataPartition.getDataRegionReplicaSetWithTimeFilter(deviceId, 
null);
+          dataPartition.getDataRegionReplicaSetWithTimeFilter(deviceId, null);
 
       // no valid DataRegion
       if (regionReplicaSets.isEmpty()
-              || regionReplicaSets.size() == 1 && NOT_ASSIGNED == 
regionReplicaSets.get(0)) {
+          || regionReplicaSets.size() == 1 && NOT_ASSIGNED == 
regionReplicaSets.get(0)) {
         TSExecuteStatementResp resp =
-                createResponse(DatasetHeaderFactory.getLastQueryHeader(), 
queryId);
+            createResponse(DatasetHeaderFactory.getLastQueryHeader(), queryId);
         resp.setStatus(RpcUtils.getStatus(TSStatusCode.SUCCESS_STATUS, ""));
         resp.setQueryResult(Collections.emptyList());
         finished = true;
@@ -952,23 +952,23 @@ public class ClientRPCServiceImpl implements 
IClientRPCServiceWithHandler {
       }
 
       TEndPoint lastRegionLeader =
-              regionReplicaSets
-                      .get(regionReplicaSets.size() - 1)
-                      .dataNodeLocations
-                      .get(0)
-                      .mPPDataExchangeEndPoint;
+          regionReplicaSets
+              .get(regionReplicaSets.size() - 1)
+              .dataNodeLocations
+              .get(0)
+              .mPPDataExchangeEndPoint;
 
       // the device's dataRegion's leader of the latest time partition is on 
current node, may can
       // read directly from cache
       if (isSameNode(lastRegionLeader)) {
         // the device's all dataRegions' leader are on current node, can use 
null entry in cache
         boolean canUseNullEntry =
-                regionReplicaSets.stream()
-                        .limit(regionReplicaSets.size() - 1L)
-                        .allMatch(
-                                regionReplicaSet ->
-                                        isSameNode(
-                                                
regionReplicaSet.dataNodeLocations.get(0).mPPDataExchangeEndPoint));
+            regionReplicaSets.stream()
+                .limit(regionReplicaSets.size() - 1L)
+                .allMatch(
+                    regionReplicaSet ->
+                        isSameNode(
+                            
regionReplicaSet.dataNodeLocations.get(0).mPPDataExchangeEndPoint));
         int sensorNum = req.sensors.size();
         TsBlockBuilder builder = LastQueryUtil.createTsBlockBuilder(sensorNum);
         boolean allCached = true;
@@ -992,17 +992,17 @@ public class ClientRPCServiceImpl implements 
IClientRPCServiceWithHandler {
           } else {
             // we don't consider TTL
             LastQueryUtil.appendLastValue(
-                    builder,
-                    timeValuePair.getTimestamp(),
-                    new Binary(fullPath.getFullPath(), 
TSFileConfig.STRING_CHARSET),
-                    timeValuePair.getValue().getStringValue(),
-                    timeValuePair.getValue().getDataType().name());
+                builder,
+                timeValuePair.getTimestamp(),
+                new Binary(fullPath.getFullPath(), 
TSFileConfig.STRING_CHARSET),
+                timeValuePair.getValue().getStringValue(),
+                timeValuePair.getValue().getDataType().name());
           }
         }
         // cache hit
         if (allCached) {
           TSExecuteStatementResp resp =
-                  createResponse(DatasetHeaderFactory.getLastQueryHeader(), 
queryId);
+              createResponse(DatasetHeaderFactory.getLastQueryHeader(), 
queryId);
           resp.setStatus(RpcUtils.getStatus(TSStatusCode.SUCCESS_STATUS, ""));
           if (builder.isEmpty()) {
             resp.setQueryResult(Collections.emptyList());
@@ -1025,23 +1025,23 @@ public class ClientRPCServiceImpl implements 
IClientRPCServiceWithHandler {
       }
 
       quota =
-              DataNodeThrottleQuotaManager.getInstance()
-                      
.checkQuota(SESSION_MANAGER.getCurrSession().getUsername(), s);
+          DataNodeThrottleQuotaManager.getInstance()
+              .checkQuota(SESSION_MANAGER.getCurrSession().getUsername(), s);
 
       if (ENABLE_AUDIT_LOG) {
         AuditLogger.log(String.format("Last Data Query: %s", req), s);
       }
       // create and cache dataset
       ExecutionResult result =
-              COORDINATOR.executeForTreeModel(
-                      s,
-                      queryId,
-                      SESSION_MANAGER.getSessionInfo(clientSession),
-                      "",
-                      partitionFetcher,
-                      schemaFetcher,
-                      req.getTimeout(),
-                      true);
+          COORDINATOR.executeForTreeModel(
+              s,
+              queryId,
+              SESSION_MANAGER.getSessionInfo(clientSession),
+              "",
+              partitionFetcher,
+              schemaFetcher,
+              req.getTimeout(),
+              true);
 
       if (result.status.code != TSStatusCode.SUCCESS_STATUS.getStatusCode()) {
         finished = true;
@@ -1056,11 +1056,11 @@ public class ClientRPCServiceImpl implements 
IClientRPCServiceWithHandler {
           resp = createResponse(queryExecution.getDatasetHeader(), queryId);
           TSStatus tsstatus = new 
TSStatus(TSStatusCode.REDIRECTION_RECOMMEND.getStatusCode());
           tsstatus.setRedirectNode(
-                  regionReplicaSets
-                          .get(regionReplicaSets.size() - 1)
-                          .dataNodeLocations
-                          .get(0)
-                          .clientRpcEndPoint);
+              regionReplicaSets
+                  .get(regionReplicaSets.size() - 1)
+                  .dataNodeLocations
+                  .get(0)
+                  .clientRpcEndPoint);
           resp.setStatus(tsstatus);
           finished = SELECT_RESULT.apply(resp, queryExecution, req.fetchSize);
           resp.setMoreData(!finished);
@@ -1075,7 +1075,7 @@ public class ClientRPCServiceImpl implements 
IClientRPCServiceWithHandler {
       finished = true;
       t = e;
       return RpcUtils.getTSExecuteStatementResp(
-              onQueryException(e, "\"" + req + "\". " + 
OperationType.EXECUTE_LAST_DATA_QUERY));
+          onQueryException(e, "\"" + req + "\". " + 
OperationType.EXECUTE_LAST_DATA_QUERY));
     } catch (Error error) {
       finished = true;
       t = error;
@@ -1087,13 +1087,13 @@ public class ClientRPCServiceImpl implements 
IClientRPCServiceWithHandler {
 
       // record each operation time cost
       CommonUtils.addStatementExecutionLatency(
-              OperationType.EXECUTE_LAST_DATA_QUERY, 
StatementType.QUERY.name(), currentOperationCost);
+          OperationType.EXECUTE_LAST_DATA_QUERY, StatementType.QUERY.name(), 
currentOperationCost);
 
       if (finished) {
         // record total time cost for one query
         long executionTime = COORDINATOR.getTotalExecutionTime(queryId);
         CommonUtils.addQueryLatency(
-                StatementType.QUERY, executionTime > 0 ? executionTime : 
currentOperationCost);
+            StatementType.QUERY, executionTime > 0 ? executionTime : 
currentOperationCost);
         COORDINATOR.cleanupQueryExecution(queryId, req, t);
       }
       SESSION_MANAGER.updateIdleTime();
@@ -1109,7 +1109,7 @@ public class ClientRPCServiceImpl implements 
IClientRPCServiceWithHandler {
       paths.add(req.deviceId + "." + sensor);
     }
     TSLastDataQueryReq tsLastDataQueryReq =
-            new TSLastDataQueryReq(req.sessionId, paths, Long.MIN_VALUE, 
req.statementId);
+        new TSLastDataQueryReq(req.sessionId, paths, Long.MIN_VALUE, 
req.statementId);
     tsLastDataQueryReq.setFetchSize(req.fetchSize);
     tsLastDataQueryReq.setEnableRedirectQuery(req.enableRedirectQuery);
     tsLastDataQueryReq.setLegalPathNodes(req.legalPathNodes);
@@ -1118,7 +1118,7 @@ public class ClientRPCServiceImpl implements 
IClientRPCServiceWithHandler {
   }
 
   private static void sampleForCacheHitFastLastDataQueryForOneDevice(
-          TSFastLastDataQueryForOneDeviceReq req) {
+      TSFastLastDataQueryForOneDeviceReq req) {
     // only sample successful query
     if (COMMON_CONFIG.isEnableQuerySampling()) { // sampling is enabled
       String queryRequest = 
getContentOfTSFastLastDataQueryForOneDeviceReq(req);
@@ -1167,7 +1167,7 @@ public class ClientRPCServiceImpl implements 
IClientRPCServiceWithHandler {
 
       try (SetThreadName queryName = new 
SetThreadName(queryExecution.getQueryId())) {
         Pair<List<ByteBuffer>, Boolean> pair =
-                
QueryDataSetUtils.convertQueryResultByFetchSize(queryExecution, req.fetchSize);
+            QueryDataSetUtils.convertQueryResultByFetchSize(queryExecution, 
req.fetchSize);
         List<ByteBuffer> result = pair.left;
         finished = pair.right;
         boolean hasResultSet = !result.isEmpty();
@@ -1181,7 +1181,7 @@ public class ClientRPCServiceImpl implements 
IClientRPCServiceWithHandler {
       finished = true;
       t = e;
       return RpcUtils.getTSFetchResultsResp(
-              onQueryException(e, getContentOfRequest(req, queryExecution)));
+          onQueryException(e, getContentOfRequest(req, queryExecution)));
     } catch (Error error) {
       finished = true;
       t = error;
@@ -1193,13 +1193,13 @@ public class ClientRPCServiceImpl implements 
IClientRPCServiceWithHandler {
 
       // record each operation time cost
       CommonUtils.addStatementExecutionLatency(
-              OperationType.FETCH_RESULTS, statementType, 
currentOperationCost);
+          OperationType.FETCH_RESULTS, statementType, currentOperationCost);
 
       if (finished) {
         // record total time cost for one query
         long executionTime = COORDINATOR.getTotalExecutionTime(req.queryId);
         CommonUtils.addQueryLatency(
-                StatementType.QUERY, executionTime > 0 ? executionTime : 
currentOperationCost);
+            StatementType.QUERY, executionTime > 0 ? executionTime : 
currentOperationCost);
         COORDINATOR.cleanupQueryExecution(req.queryId, req, t);
       }
 
@@ -1211,13 +1211,13 @@ public class ClientRPCServiceImpl implements 
IClientRPCServiceWithHandler {
   public TSOpenSessionResp openSession(TSOpenSessionReq req) throws TException 
{
     IoTDBConstant.ClientVersion clientVersion = parseClientVersion(req);
     BasicOpenSessionResp openSessionResp =
-            SESSION_MANAGER.login(
-                    SESSION_MANAGER.getCurrSession(),
-                    req.username,
-                    req.password,
-                    req.zoneId,
-                    req.client_protocol,
-                    clientVersion);
+        SESSION_MANAGER.login(
+            SESSION_MANAGER.getCurrSession(),
+            req.username,
+            req.password,
+            req.zoneId,
+            req.client_protocol,
+            clientVersion);
     TSStatus tsStatus = RpcUtils.getStatus(openSessionResp.getCode(), 
openSessionResp.getMessage());
     TSOpenSessionResp resp = new TSOpenSessionResp(tsStatus, 
CURRENT_RPC_VERSION);
     return resp.setSessionId(openSessionResp.getSessionId());
@@ -1234,10 +1234,10 @@ public class ClientRPCServiceImpl implements 
IClientRPCServiceWithHandler {
   @Override
   public TSStatus closeSession(TSCloseSessionReq req) {
     return new TSStatus(
-            !SESSION_MANAGER.closeSession(
-                    SESSION_MANAGER.getCurrSession(), 
COORDINATOR::cleanupQueryExecution)
-                    ? RpcUtils.getStatus(TSStatusCode.NOT_LOGIN)
-                    : RpcUtils.getStatus(TSStatusCode.SUCCESS_STATUS));
+        !SESSION_MANAGER.closeSession(
+                SESSION_MANAGER.getCurrSession(), 
COORDINATOR::cleanupQueryExecution)
+            ? RpcUtils.getStatus(TSStatusCode.NOT_LOGIN)
+            : RpcUtils.getStatus(TSStatusCode.SUCCESS_STATUS));
   }
 
   @Override
@@ -1249,12 +1249,12 @@ public class ClientRPCServiceImpl implements 
IClientRPCServiceWithHandler {
   @Override
   public TSStatus closeOperation(TSCloseOperationReq req) {
     return SESSION_MANAGER.closeOperation(
-            SESSION_MANAGER.getCurrSession(),
-            req.queryId,
-            req.statementId,
-            req.isSetStatementId(),
-            req.isSetQueryId(),
-            COORDINATOR::cleanupQueryExecution);
+        SESSION_MANAGER.getCurrSession(),
+        req.queryId,
+        req.statementId,
+        req.isSetStatementId(),
+        req.isSetQueryId(),
+        COORDINATOR::cleanupQueryExecution);
   }
 
   @Override
@@ -1262,13 +1262,13 @@ public class ClientRPCServiceImpl implements 
IClientRPCServiceWithHandler {
     try {
       ZoneId zoneId = SESSION_MANAGER.getCurrSession().getZoneId();
       return new TSGetTimeZoneResp(
-              RpcUtils.getStatus(TSStatusCode.SUCCESS_STATUS),
-              zoneId != null ? zoneId.toString() : "Unknown time zone");
+          RpcUtils.getStatus(TSStatusCode.SUCCESS_STATUS),
+          zoneId != null ? zoneId.toString() : "Unknown time zone");
     } catch (Exception e) {
       return new TSGetTimeZoneResp(
-              onNpeOrUnexpectedException(
-                      e, OperationType.GET_TIME_ZONE, 
TSStatusCode.GENERATE_TIME_ZONE_ERROR),
-              "Unknown time zone");
+          onNpeOrUnexpectedException(
+              e, OperationType.GET_TIME_ZONE, 
TSStatusCode.GENERATE_TIME_ZONE_ERROR),
+          "Unknown time zone");
     }
   }
 
@@ -1279,7 +1279,7 @@ public class ClientRPCServiceImpl implements 
IClientRPCServiceWithHandler {
       return RpcUtils.getStatus(TSStatusCode.SUCCESS_STATUS);
     } catch (Exception e) {
       return onNpeOrUnexpectedException(
-              e, OperationType.SET_TIME_ZONE, 
TSStatusCode.SET_TIME_ZONE_ERROR);
+          e, OperationType.SET_TIME_ZONE, TSStatusCode.SET_TIME_ZONE_ERROR);
     }
   }
 
@@ -1294,12 +1294,12 @@ public class ClientRPCServiceImpl implements 
IClientRPCServiceWithHandler {
     
properties.getSupportedTimeAggregationOperations().add(IoTDBConstant.MAX_TIME);
     
properties.getSupportedTimeAggregationOperations().add(IoTDBConstant.MIN_TIME);
     properties.setTimestampPrecision(
-            
CommonDescriptor.getInstance().getConfig().getTimestampPrecision());
+        CommonDescriptor.getInstance().getConfig().getTimestampPrecision());
     properties.setMaxConcurrentClientNum(
-            
IoTDBDescriptor.getInstance().getConfig().getRpcMaxConcurrentClientNum());
+        
IoTDBDescriptor.getInstance().getConfig().getRpcMaxConcurrentClientNum());
     
properties.setIsReadOnly(CommonDescriptor.getInstance().getConfig().isReadOnly());
     properties.setThriftMaxFrameSize(
-            IoTDBDescriptor.getInstance().getConfig().getThriftMaxFrameSize());
+        IoTDBDescriptor.getInstance().getConfig().getThriftMaxFrameSize());
     return properties;
   }
 
@@ -1325,20 +1325,20 @@ public class ClientRPCServiceImpl implements 
IClientRPCServiceWithHandler {
       // Step 2: call the coordinator
       long queryId = SESSION_MANAGER.requestQueryId();
       ExecutionResult result =
-              COORDINATOR.executeForTreeModel(
-                      statement,
-                      queryId,
-                      SESSION_MANAGER.getSessionInfo(clientSession),
-                      "",
-                      partitionFetcher,
-                      schemaFetcher);
+          COORDINATOR.executeForTreeModel(
+              statement,
+              queryId,
+              SESSION_MANAGER.getSessionInfo(clientSession),
+              "",
+              partitionFetcher,
+              schemaFetcher);
 
       return result.status;
     } catch (IoTDBException e) {
       return onIoTDBException(e, OperationType.SET_STORAGE_GROUP, 
e.getErrorCode());
     } catch (Exception e) {
       return onNpeOrUnexpectedException(
-              e, OperationType.SET_STORAGE_GROUP, 
TSStatusCode.EXECUTE_STATEMENT_ERROR);
+          e, OperationType.SET_STORAGE_GROUP, 
TSStatusCode.EXECUTE_STATEMENT_ERROR);
     }
   }
 
@@ -1366,20 +1366,20 @@ public class ClientRPCServiceImpl implements 
IClientRPCServiceWithHandler {
       // Step 2: call the coordinator
       long queryId = SESSION_MANAGER.requestQueryId();
       ExecutionResult result =
-              COORDINATOR.executeForTreeModel(
-                      statement,
-                      queryId,
-                      SESSION_MANAGER.getSessionInfo(clientSession),
-                      "",
-                      partitionFetcher,
-                      schemaFetcher);
+          COORDINATOR.executeForTreeModel(
+              statement,
+              queryId,
+              SESSION_MANAGER.getSessionInfo(clientSession),
+              "",
+              partitionFetcher,
+              schemaFetcher);
 
       return result.status;
     } catch (IoTDBException e) {
       return onIoTDBException(e, OperationType.CREATE_TIMESERIES, 
e.getErrorCode());
     } catch (Exception e) {
       return onNpeOrUnexpectedException(
-              e, OperationType.CREATE_TIMESERIES, 
TSStatusCode.EXECUTE_STATEMENT_ERROR);
+          e, OperationType.CREATE_TIMESERIES, 
TSStatusCode.EXECUTE_STATEMENT_ERROR);
     } finally {
       SESSION_MANAGER.updateIdleTime();
     }
@@ -1395,7 +1395,7 @@ public class ClientRPCServiceImpl implements 
IClientRPCServiceWithHandler {
 
       // check whether measurement is legal according to syntax convention
       req.setMeasurementAlias(
-              
PathUtils.checkIsLegalSingleMeasurementsAndUpdate(req.getMeasurementAlias()));
+          
PathUtils.checkIsLegalSingleMeasurementsAndUpdate(req.getMeasurementAlias()));
 
       
req.setMeasurements(PathUtils.checkIsLegalSingleMeasurementsAndUpdate(req.getMeasurements()));
 
@@ -1403,9 +1403,9 @@ public class ClientRPCServiceImpl implements 
IClientRPCServiceWithHandler {
       CreateAlignedTimeSeriesStatement statement = 
StatementGenerator.createStatement(req);
       if (ENABLE_AUDIT_LOG) {
         AuditLogger.log(
-                String.format(
-                        "create aligned timeseries %s.%s", 
req.getPrefixPath(), req.getMeasurements()),
-                statement);
+            String.format(
+                "create aligned timeseries %s.%s", req.getPrefixPath(), 
req.getMeasurements()),
+            statement);
       }
       // permission check
       TSStatus status = AuthorityChecker.checkAuthority(statement, 
clientSession);
@@ -1416,20 +1416,20 @@ public class ClientRPCServiceImpl implements 
IClientRPCServiceWithHandler {
       // Step 2: call the coordinator
       long queryId = SESSION_MANAGER.requestQueryId();
       ExecutionResult result =
-              COORDINATOR.executeForTreeModel(
-                      statement,
-                      queryId,
-                      SESSION_MANAGER.getSessionInfo(clientSession),
-                      "",
-                      partitionFetcher,
-                      schemaFetcher);
+          COORDINATOR.executeForTreeModel(
+              statement,
+              queryId,
+              SESSION_MANAGER.getSessionInfo(clientSession),
+              "",
+              partitionFetcher,
+              schemaFetcher);
 
       return result.status;
     } catch (IoTDBException e) {
       return onIoTDBException(e, OperationType.CREATE_ALIGNED_TIMESERIES, 
e.getErrorCode());
     } catch (Exception e) {
       return onNpeOrUnexpectedException(
-              e, OperationType.CREATE_ALIGNED_TIMESERIES, 
TSStatusCode.EXECUTE_STATEMENT_ERROR);
+          e, OperationType.CREATE_ALIGNED_TIMESERIES, 
TSStatusCode.EXECUTE_STATEMENT_ERROR);
     } finally {
       SESSION_MANAGER.updateIdleTime();
     }
@@ -1445,16 +1445,16 @@ public class ClientRPCServiceImpl implements 
IClientRPCServiceWithHandler {
 
       // check whether measurement is legal according to syntax convention
       req.setMeasurementAliasList(
-              
PathUtils.checkIsLegalSingleMeasurementsAndUpdate(req.getMeasurementAliasList()));
+          
PathUtils.checkIsLegalSingleMeasurementsAndUpdate(req.getMeasurementAliasList()));
 
       // Step 1: transfer from CreateMultiTimeSeriesReq to Statement
       CreateMultiTimeSeriesStatement statement = 
StatementGenerator.createStatement(req);
       if (ENABLE_AUDIT_LOG) {
         AuditLogger.log(
-                String.format(
-                        "create %s timeseries, the first is %s",
-                        req.getPaths().size(), req.getPaths().get(0)),
-                statement);
+            String.format(
+                "create %s timeseries, the first is %s",
+                req.getPaths().size(), req.getPaths().get(0)),
+            statement);
       }
       // permission check
       TSStatus status = AuthorityChecker.checkAuthority(statement, 
clientSession);
@@ -1465,20 +1465,20 @@ public class ClientRPCServiceImpl implements 
IClientRPCServiceWithHandler {
       // Step 2: call the coordinator
       long queryId = SESSION_MANAGER.requestQueryId();
       ExecutionResult result =
-              COORDINATOR.executeForTreeModel(
-                      statement,
-                      queryId,
-                      SESSION_MANAGER.getSessionInfo(clientSession),
-                      "",
-                      partitionFetcher,
-                      schemaFetcher);
+          COORDINATOR.executeForTreeModel(
+              statement,
+              queryId,
+              SESSION_MANAGER.getSessionInfo(clientSession),
+              "",
+              partitionFetcher,
+              schemaFetcher);
 
       return result.status;
     } catch (IoTDBException e) {
       return onIoTDBException(e, OperationType.CREATE_MULTI_TIMESERIES, 
e.getErrorCode());
     } catch (Exception e) {
       return onNpeOrUnexpectedException(
-              e, OperationType.CREATE_MULTI_TIMESERIES, 
TSStatusCode.EXECUTE_STATEMENT_ERROR);
+          e, OperationType.CREATE_MULTI_TIMESERIES, 
TSStatusCode.EXECUTE_STATEMENT_ERROR);
     } finally {
       SESSION_MANAGER.updateIdleTime();
     }
@@ -1494,7 +1494,7 @@ public class ClientRPCServiceImpl implements 
IClientRPCServiceWithHandler {
 
       // Step 1: transfer from DeleteStorageGroupsReq to Statement
       DeleteTimeSeriesStatement statement =
-              StatementGenerator.createDeleteTimeSeriesStatement(path);
+          StatementGenerator.createDeleteTimeSeriesStatement(path);
 
       // permission check
       TSStatus status = AuthorityChecker.checkAuthority(statement, 
clientSession);
@@ -1505,20 +1505,20 @@ public class ClientRPCServiceImpl implements 
IClientRPCServiceWithHandler {
       // Step 2: call the coordinator
       long queryId = SESSION_MANAGER.requestQueryId();
       ExecutionResult result =
-              COORDINATOR.executeForTreeModel(
-                      statement,
-                      queryId,
-                      SESSION_MANAGER.getSessionInfo(clientSession),
-                      "",
-                      partitionFetcher,
-                      schemaFetcher);
+          COORDINATOR.executeForTreeModel(
+              statement,
+              queryId,
+              SESSION_MANAGER.getSessionInfo(clientSession),
+              "",
+              partitionFetcher,
+              schemaFetcher);
 
       return result.status;
     } catch (IoTDBException e) {
       return onIoTDBException(e, OperationType.DELETE_TIMESERIES, 
e.getErrorCode());
     } catch (Exception e) {
       return onNpeOrUnexpectedException(
-              e, OperationType.DELETE_TIMESERIES, 
TSStatusCode.EXECUTE_STATEMENT_ERROR);
+          e, OperationType.DELETE_TIMESERIES, 
TSStatusCode.EXECUTE_STATEMENT_ERROR);
     } finally {
       SESSION_MANAGER.updateIdleTime();
     }
@@ -1548,20 +1548,20 @@ public class ClientRPCServiceImpl implements 
IClientRPCServiceWithHandler {
       // Step 2: call the coordinator
       long queryId = SESSION_MANAGER.requestQueryId();
       ExecutionResult result =
-              COORDINATOR.executeForTreeModel(
-                      statement,
-                      queryId,
-                      SESSION_MANAGER.getSessionInfo(clientSession),
-                      "",
-                      partitionFetcher,
-                      schemaFetcher);
+          COORDINATOR.executeForTreeModel(
+              statement,
+              queryId,
+              SESSION_MANAGER.getSessionInfo(clientSession),
+              "",
+              partitionFetcher,
+              schemaFetcher);
 
       return result.status;
     } catch (IoTDBException e) {
       return onIoTDBException(e, OperationType.DELETE_STORAGE_GROUPS, 
e.getErrorCode());
     } catch (Exception e) {
       return onNpeOrUnexpectedException(
-              e, OperationType.DELETE_STORAGE_GROUPS, 
TSStatusCode.EXECUTE_STATEMENT_ERROR);
+          e, OperationType.DELETE_STORAGE_GROUPS, 
TSStatusCode.EXECUTE_STATEMENT_ERROR);
     } finally {
       SESSION_MANAGER.updateIdleTime();
     }
@@ -1570,7 +1570,7 @@ public class ClientRPCServiceImpl implements 
IClientRPCServiceWithHandler {
   @Override
   public TSFetchMetadataResp fetchMetadata(TSFetchMetadataReq req) {
     return new TSFetchMetadataResp(
-            RpcUtils.getStatus(TSStatusCode.UNSUPPORTED_OPERATION, "Fetch 
Metadata is not supported."));
+        RpcUtils.getStatus(TSStatusCode.UNSUPPORTED_OPERATION, "Fetch Metadata 
is not supported."));
   }
 
   @Override
@@ -1598,7 +1598,7 @@ public class ClientRPCServiceImpl implements 
IClientRPCServiceWithHandler {
           Statement s = StatementGenerator.createStatement(statement, 
clientSession.getZoneId());
           if (s == null) {
             return RpcUtils.getStatus(
-                    TSStatusCode.EXECUTE_STATEMENT_ERROR, "This operation type 
is not supported");
+                TSStatusCode.EXECUTE_STATEMENT_ERROR, "This operation type is 
not supported");
           }
           // permission check
           TSStatus status = AuthorityChecker.checkAuthority(s, clientSession);
@@ -1607,8 +1607,8 @@ public class ClientRPCServiceImpl implements 
IClientRPCServiceWithHandler {
           }
 
           quota =
-                  DataNodeThrottleQuotaManager.getInstance()
-                          
.checkQuota(SESSION_MANAGER.getCurrSession().getUsername(), s);
+              DataNodeThrottleQuotaManager.getInstance()
+                  .checkQuota(SESSION_MANAGER.getCurrSession().getUsername(), 
s);
 
           if (ENABLE_AUDIT_LOG) {
             AuditLogger.log(statement, s);
@@ -1622,38 +1622,38 @@ public class ClientRPCServiceImpl implements 
IClientRPCServiceWithHandler {
           ExecutionResult result;
           if (s.shouldSplit()) {
             result =
-                    executeBatchStatement(
-                            s,
-                            queryId,
-                            SESSION_MANAGER.getSessionInfo(clientSession),
-                            statement,
-                            partitionFetcher,
-                            schemaFetcher,
-                            config.getQueryTimeoutThreshold(),
-                            false);
+                executeBatchStatement(
+                    s,
+                    queryId,
+                    SESSION_MANAGER.getSessionInfo(clientSession),
+                    statement,
+                    partitionFetcher,
+                    schemaFetcher,
+                    config.getQueryTimeoutThreshold(),
+                    false);
           } else {
             result =
-                    COORDINATOR.executeForTreeModel(
-                            s,
-                            queryId,
-                            SESSION_MANAGER.getSessionInfo(clientSession),
-                            statement,
-                            partitionFetcher,
-                            schemaFetcher,
-                            config.getQueryTimeoutThreshold(),
-                            false);
+                COORDINATOR.executeForTreeModel(
+                    s,
+                    queryId,
+                    SESSION_MANAGER.getSessionInfo(clientSession),
+                    statement,
+                    partitionFetcher,
+                    schemaFetcher,
+                    config.getQueryTimeoutThreshold(),
+                    false);
           }
           results.add(result.status);
         } catch (Exception e) {
           LOGGER.warn("Error occurred when executing executeBatchStatement: ", 
e);
           TSStatus status =
-                  onQueryException(
-                          e, "\"" + statement + "\". " + 
OperationType.EXECUTE_BATCH_STATEMENT);
+              onQueryException(
+                  e, "\"" + statement + "\". " + 
OperationType.EXECUTE_BATCH_STATEMENT);
           isAllSuccessful = false;
           results.add(status);
         } finally {
           CommonUtils.addStatementExecutionLatency(
-                  OperationType.EXECUTE_STATEMENT, type, System.nanoTime() - 
t2);
+              OperationType.EXECUTE_STATEMENT, type, System.nanoTime() - t2);
           if (quota != null) {
             quota.close();
           }
@@ -1661,12 +1661,12 @@ public class ClientRPCServiceImpl implements 
IClientRPCServiceWithHandler {
       }
     } finally {
       CommonUtils.addStatementExecutionLatency(
-              OperationType.EXECUTE_BATCH_STATEMENT, 
StatementType.NULL.name(), System.nanoTime() - t1);
+          OperationType.EXECUTE_BATCH_STATEMENT, StatementType.NULL.name(), 
System.nanoTime() - t1);
       SESSION_MANAGER.updateIdleTime();
     }
     return isAllSuccessful
-            ? RpcUtils.getStatus(TSStatusCode.SUCCESS_STATUS, "Execute batch 
statements successfully")
-            : RpcUtils.getStatus(results);
+        ? RpcUtils.getStatus(TSStatusCode.SUCCESS_STATUS, "Execute batch 
statements successfully")
+        : RpcUtils.getStatus(results);
   }
 
   @Override
@@ -1705,7 +1705,7 @@ public class ClientRPCServiceImpl implements 
IClientRPCServiceWithHandler {
       TSFetchResultsResp resp = 
RpcUtils.getTSFetchResultsResp(TSStatusCode.SUCCESS_STATUS);
       try (SetThreadName queryName = new 
SetThreadName(queryExecution.getQueryId())) {
         Pair<TSQueryDataSet, Boolean> pair =
-                convertTsBlockByFetchSize(queryExecution, req.fetchSize);
+            convertTsBlockByFetchSize(queryExecution, req.fetchSize);
         TSQueryDataSet result = pair.left;
         finished = pair.right;
         boolean hasResultSet = result.bufferForTime().limit() != 0;
@@ -1719,7 +1719,7 @@ public class ClientRPCServiceImpl implements 
IClientRPCServiceWithHandler {
       finished = true;
       t = e;
       return RpcUtils.getTSFetchResultsResp(
-              onQueryException(e, getContentOfRequest(req, queryExecution)));
+          onQueryException(e, getContentOfRequest(req, queryExecution)));
     } catch (Error error) {
       finished = true;
       t = error;
@@ -1731,13 +1731,13 @@ public class ClientRPCServiceImpl implements 
IClientRPCServiceWithHandler {
 
       // record each operation time cost
       CommonUtils.addStatementExecutionLatency(
-              OperationType.FETCH_RESULTS, statementType, 
currentOperationCost);
+          OperationType.FETCH_RESULTS, statementType, currentOperationCost);
 
       if (finished) {
         // record total time cost for one query
         long executionTime = COORDINATOR.getTotalExecutionTime(req.queryId);
         CommonUtils.addQueryLatency(
-                StatementType.QUERY, executionTime > 0 ? executionTime : 
currentOperationCost);
+            StatementType.QUERY, executionTime > 0 ? executionTime : 
currentOperationCost);
         COORDINATOR.cleanupQueryExecution(req.queryId, req, t);
       }
 
@@ -1757,7 +1757,7 @@ public class ClientRPCServiceImpl implements 
IClientRPCServiceWithHandler {
 
       // check whether measurement is legal according to syntax convention
       req.setMeasurementsList(
-              
PathUtils.checkIsLegalSingleMeasurementListsAndUpdate(req.getMeasurementsList()));
+          
PathUtils.checkIsLegalSingleMeasurementListsAndUpdate(req.getMeasurementsList()));
 
       // Step 1:  transfer from TSInsertRecordsReq to Statement
       InsertRowsStatement statement = StatementGenerator.createStatement(req);
@@ -1768,11 +1768,11 @@ public class ClientRPCServiceImpl implements 
IClientRPCServiceWithHandler {
 
       if (ENABLE_AUDIT_LOG) {
         AuditLogger.log(
-                String.format(
-                        "insertRecords, first device %s, first time %s",
-                        req.prefixPaths.get(0), req.getTimestamps().get(0)),
-                statement,
-                true);
+            String.format(
+                "insertRecords, first device %s, first time %s",
+                req.prefixPaths.get(0), req.getTimestamps().get(0)),
+            statement,
+            true);
       }
 
       // permission check
@@ -1782,31 +1782,31 @@ public class ClientRPCServiceImpl implements 
IClientRPCServiceWithHandler {
       }
 
       quota =
-              DataNodeThrottleQuotaManager.getInstance()
-                      
.checkQuota(SESSION_MANAGER.getCurrSession().getUsername(), statement);
+          DataNodeThrottleQuotaManager.getInstance()
+              .checkQuota(SESSION_MANAGER.getCurrSession().getUsername(), 
statement);
 
       // Step 2: call the coordinator
       long queryId = SESSION_MANAGER.requestQueryId();
       ExecutionResult result =
-              COORDINATOR.executeForTreeModel(
-                      statement,
-                      queryId,
-                      SESSION_MANAGER.getSessionInfo(clientSession),
-                      "",
-                      partitionFetcher,
-                      schemaFetcher);
+          COORDINATOR.executeForTreeModel(
+              statement,
+              queryId,
+              SESSION_MANAGER.getSessionInfo(clientSession),
+              "",
+              partitionFetcher,
+              schemaFetcher);
 
       return result.status;
     } catch (IoTDBException e) {
       return onIoTDBException(e, OperationType.INSERT_RECORDS, 
e.getErrorCode());
     } catch (Exception e) {
       return onNpeOrUnexpectedException(
-              e, OperationType.INSERT_RECORDS, 
TSStatusCode.EXECUTE_STATEMENT_ERROR);
+          e, OperationType.INSERT_RECORDS, 
TSStatusCode.EXECUTE_STATEMENT_ERROR);
     } finally {
       CommonUtils.addStatementExecutionLatency(
-              OperationType.INSERT_RECORDS,
-              StatementType.BATCH_INSERT_ROWS.name(),
-              System.nanoTime() - t1);
+          OperationType.INSERT_RECORDS,
+          StatementType.BATCH_INSERT_ROWS.name(),
+          System.nanoTime() - t1);
       SESSION_MANAGER.updateIdleTime();
       if (quota != null) {
         quota.close();
@@ -1826,7 +1826,7 @@ public class ClientRPCServiceImpl implements 
IClientRPCServiceWithHandler {
 
       // check whether measurement is legal according to syntax convention
       req.setMeasurementsList(
-              
PathUtils.checkIsLegalSingleMeasurementListsAndUpdate(req.getMeasurementsList()));
+          
PathUtils.checkIsLegalSingleMeasurementListsAndUpdate(req.getMeasurementsList()));
 
       // Step 1: transfer from TSInsertRecordsOfOneDeviceReq to Statement
       InsertRowsOfOneDeviceStatement statement = 
StatementGenerator.createStatement(req);
@@ -1837,11 +1837,11 @@ public class ClientRPCServiceImpl implements 
IClientRPCServiceWithHandler {
 
       if (ENABLE_AUDIT_LOG) {
         AuditLogger.log(
-                String.format(
-                        "insertRecords, first device %s, first time %s",
-                        req.prefixPath, req.getTimestamps().get(0)),
-                statement,
-                true);
+            String.format(
+                "insertRecords, first device %s, first time %s",
+                req.prefixPath, req.getTimestamps().get(0)),
+            statement,
+            true);
       }
 
       // permission check
@@ -1851,31 +1851,31 @@ public class ClientRPCServiceImpl implements 
IClientRPCServiceWithHandler {
       }
 
       quota =
-              DataNodeThrottleQuotaManager.getInstance()
-                      
.checkQuota(SESSION_MANAGER.getCurrSession().getUsername(), statement);
+          DataNodeThrottleQuotaManager.getInstance()
+              .checkQuota(SESSION_MANAGER.getCurrSession().getUsername(), 
statement);
 
       // Step 2: call the coordinator
       long queryId = SESSION_MANAGER.requestQueryId();
       ExecutionResult result =
-              COORDINATOR.executeForTreeModel(
-                      statement,
-                      queryId,
-                      SESSION_MANAGER.getSessionInfo(clientSession),
-                      "",
-                      partitionFetcher,
-                      schemaFetcher);
+          COORDINATOR.executeForTreeModel(
+              statement,
+              queryId,
+              SESSION_MANAGER.getSessionInfo(clientSession),
+              "",
+              partitionFetcher,
+              schemaFetcher);
 
       return result.status;
     } catch (IoTDBException e) {
       return onIoTDBException(e, OperationType.INSERT_RECORDS_OF_ONE_DEVICE, 
e.getErrorCode());
     } catch (Exception e) {
       return onNpeOrUnexpectedException(
-              e, OperationType.INSERT_RECORDS_OF_ONE_DEVICE, 
TSStatusCode.EXECUTE_STATEMENT_ERROR);
+          e, OperationType.INSERT_RECORDS_OF_ONE_DEVICE, 
TSStatusCode.EXECUTE_STATEMENT_ERROR);
     } finally {
       CommonUtils.addStatementExecutionLatency(
-              OperationType.INSERT_RECORDS_OF_ONE_DEVICE,
-              StatementType.BATCH_INSERT_ONE_DEVICE.name(),
-              System.nanoTime() - t1);
+          OperationType.INSERT_RECORDS_OF_ONE_DEVICE,
+          StatementType.BATCH_INSERT_ONE_DEVICE.name(),
+          System.nanoTime() - t1);
       SESSION_MANAGER.updateIdleTime();
       if (quota != null) {
         quota.close();
@@ -1895,7 +1895,7 @@ public class ClientRPCServiceImpl implements 
IClientRPCServiceWithHandler {
 
       // check whether measurement is legal according to syntax convention
       req.setMeasurementsList(
-              
PathUtils.checkIsLegalSingleMeasurementListsAndUpdate(req.getMeasurementsList()));
+          
PathUtils.checkIsLegalSingleMeasurementListsAndUpdate(req.getMeasurementsList()));
 
       // Step 1: transfer from TSInsertStringRecordsOfOneDeviceReq to Statement
       InsertRowsOfOneDeviceStatement statement = 
StatementGenerator.createStatement(req);
@@ -1906,11 +1906,11 @@ public class ClientRPCServiceImpl implements 
IClientRPCServiceWithHandler {
 
       if (ENABLE_AUDIT_LOG) {
         AuditLogger.log(
-                String.format(
-                        "insertRecords, first device %s, first time %s",
-                        req.prefixPath, req.getTimestamps().get(0)),
-                statement,
-                true);
+            String.format(
+                "insertRecords, first device %s, first time %s",
+                req.prefixPath, req.getTimestamps().get(0)),
+            statement,
+            true);
       }
       // permission check
       TSStatus status = AuthorityChecker.checkAuthority(statement, 
clientSession);
@@ -1919,34 +1919,34 @@ public class ClientRPCServiceImpl implements 
IClientRPCServiceWithHandler {
       }
 
       quota =
-              DataNodeThrottleQuotaManager.getInstance()
-                      
.checkQuota(SESSION_MANAGER.getCurrSession().getUsername(), statement);
+          DataNodeThrottleQuotaManager.getInstance()
+              .checkQuota(SESSION_MANAGER.getCurrSession().getUsername(), 
statement);
 
       // Step 2: call the coordinator
       long queryId = SESSION_MANAGER.requestQueryId();
       ExecutionResult result =
-              COORDINATOR.executeForTreeModel(
-                      statement,
-                      queryId,
-                      SESSION_MANAGER.getSessionInfo(clientSession),
-                      "",
-                      partitionFetcher,
-                      schemaFetcher);
+          COORDINATOR.executeForTreeModel(
+              statement,
+              queryId,
+              SESSION_MANAGER.getSessionInfo(clientSession),
+              "",
+              partitionFetcher,
+              schemaFetcher);
 
       return result.status;
     } catch (IoTDBException e) {
       return onIoTDBException(
-              e, OperationType.INSERT_STRING_RECORDS_OF_ONE_DEVICE, 
e.getErrorCode());
+          e, OperationType.INSERT_STRING_RECORDS_OF_ONE_DEVICE, 
e.getErrorCode());
     } catch (Exception e) {
       return onNpeOrUnexpectedException(
-              e,
-              OperationType.INSERT_STRING_RECORDS_OF_ONE_DEVICE,
-              TSStatusCode.EXECUTE_STATEMENT_ERROR);
+          e,
+          OperationType.INSERT_STRING_RECORDS_OF_ONE_DEVICE,
+          TSStatusCode.EXECUTE_STATEMENT_ERROR);
     } finally {
       CommonUtils.addStatementExecutionLatency(
-              OperationType.INSERT_STRING_RECORDS_OF_ONE_DEVICE,
-              StatementType.BATCH_INSERT_ONE_DEVICE.name(),
-              System.nanoTime() - t1);
+          OperationType.INSERT_STRING_RECORDS_OF_ONE_DEVICE,
+          StatementType.BATCH_INSERT_ONE_DEVICE.name(),
+          System.nanoTime() - t1);
       SESSION_MANAGER.updateIdleTime();
       if (quota != null) {
         quota.close();
@@ -1975,10 +1975,10 @@ public class ClientRPCServiceImpl implements 
IClientRPCServiceWithHandler {
 
       if (ENABLE_AUDIT_LOG) {
         AuditLogger.log(
-                String.format(
-                        "insertRecord, device %s, time %s", 
req.getPrefixPath(), req.getTimestamp()),
-                statement,
-                true);
+            String.format(
+                "insertRecord, device %s, time %s", req.getPrefixPath(), 
req.getTimestamp()),
+            statement,
+            true);
       }
 
       // permission check
@@ -1988,29 +1988,29 @@ public class ClientRPCServiceImpl implements 
IClientRPCServiceWithHandler {
       }
 
       quota =
-              DataNodeThrottleQuotaManager.getInstance()
-                      
.checkQuota(SESSION_MANAGER.getCurrSession().getUsername(), statement);
+          DataNodeThrottleQuotaManager.getInstance()
+              .checkQuota(SESSION_MANAGER.getCurrSession().getUsername(), 
statement);
 
       // Step 2: call the coordinator
       long queryId = SESSION_MANAGER.requestQueryId();
       ExecutionResult result =
-              COORDINATOR.executeForTreeModel(
-                      statement,
-                      queryId,
-                      SESSION_MANAGER.getSessionInfo(clientSession),
-                      "",
-                      partitionFetcher,
-                      schemaFetcher);
+          COORDINATOR.executeForTreeModel(
+              statement,
+              queryId,
+              SESSION_MANAGER.getSessionInfo(clientSession),
+              "",
+              partitionFetcher,
+              schemaFetcher);
 
       return result.status;
     } catch (IoTDBException e) {
       return onIoTDBException(e, OperationType.INSERT_RECORD, 
e.getErrorCode());
     } catch (Exception e) {
       return onNpeOrUnexpectedException(
-              e, OperationType.INSERT_RECORD, 
TSStatusCode.EXECUTE_STATEMENT_ERROR);
+          e, OperationType.INSERT_RECORD, 
TSStatusCode.EXECUTE_STATEMENT_ERROR);
     } finally {
       CommonUtils.addStatementExecutionLatency(
-              OperationType.INSERT_RECORD, StatementType.INSERT.name(), 
System.nanoTime() - t1);
+          OperationType.INSERT_RECORD, StatementType.INSERT.name(), 
System.nanoTime() - t1);
       SESSION_MANAGER.updateIdleTime();
       if (quota != null) {
         quota.close();
@@ -2029,7 +2029,7 @@ public class ClientRPCServiceImpl implements 
IClientRPCServiceWithHandler {
       }
 
       req.setMeasurementsList(
-              
PathUtils.checkIsLegalSingleMeasurementListsAndUpdate(req.getMeasurementsList()));
+          
PathUtils.checkIsLegalSingleMeasurementListsAndUpdate(req.getMeasurementsList()));
 
       // Step 1: transfer from TSInsertTabletsReq to Statement
       InsertMultiTabletsStatement statement = 
StatementGenerator.createStatement(req);
@@ -2045,31 +2045,31 @@ public class ClientRPCServiceImpl implements 
IClientRPCServiceWithHandler {
       }
 
       quota =
-              DataNodeThrottleQuotaManager.getInstance()
-                      
.checkQuota(SESSION_MANAGER.getCurrSession().getUsername(), statement);
+          DataNodeThrottleQuotaManager.getInstance()
+              .checkQuota(SESSION_MANAGER.getCurrSession().getUsername(), 
statement);
 
       // Step 2: call the coordinator
       long queryId = SESSION_MANAGER.requestQueryId();
       ExecutionResult result =
-              COORDINATOR.executeForTreeModel(
-                      statement,
-                      queryId,
-                      SESSION_MANAGER.getSessionInfo(clientSession),
-                      "",
-                      partitionFetcher,
-                      schemaFetcher);
+          COORDINATOR.executeForTreeModel(
+              statement,
+              queryId,
+              SESSION_MANAGER.getSessionInfo(clientSession),
+              "",
+              partitionFetcher,
+              schemaFetcher);
 
       return result.status;
     } catch (IoTDBException e) {
       return onIoTDBException(e, OperationType.INSERT_TABLETS, 
e.getErrorCode());
     } catch (Exception e) {
       return onNpeOrUnexpectedException(
-              e, OperationType.INSERT_TABLETS, 
TSStatusCode.EXECUTE_STATEMENT_ERROR);
+          e, OperationType.INSERT_TABLETS, 
TSStatusCode.EXECUTE_STATEMENT_ERROR);
     } finally {
       CommonUtils.addStatementExecutionLatency(
-              OperationType.INSERT_TABLETS,
-              StatementType.MULTI_BATCH_INSERT.name(),
-              System.nanoTime() - t1);
+          OperationType.INSERT_TABLETS,
+          StatementType.MULTI_BATCH_INSERT.name(),
+          System.nanoTime() - t1);
       SESSION_MANAGER.updateIdleTime();
       if (quota != null) {
         quota.close();
@@ -2103,29 +2103,29 @@ public class ClientRPCServiceImpl implements 
IClientRPCServiceWithHandler {
       }
 
       quota =
-              DataNodeThrottleQuotaManager.getInstance()
-                      
.checkQuota(SESSION_MANAGER.getCurrSession().getUsername(), statement);
+          DataNodeThrottleQuotaManager.getInstance()
+              .checkQuota(SESSION_MANAGER.getCurrSession().getUsername(), 
statement);
 
       // Step 2: call the coordinator
       long queryId = SESSION_MANAGER.requestQueryId();
       ExecutionResult result =
-              COORDINATOR.executeForTreeModel(
-                      statement,
-                      queryId,
-                      SESSION_MANAGER.getSessionInfo(clientSession),
-                      "",
-                      partitionFetcher,
-                      schemaFetcher);
+          COORDINATOR.executeForTreeModel(
+              statement,
+              queryId,
+              SESSION_MANAGER.getSessionInfo(clientSession),
+              "",
+              partitionFetcher,
+              schemaFetcher);
 
       return result.status;
     } catch (IoTDBException e) {
       return onIoTDBException(e, OperationType.INSERT_TABLET, 
e.getErrorCode());
     } catch (Exception e) {
       return onNpeOrUnexpectedException(
-              e, OperationType.INSERT_TABLET, 
TSStatusCode.EXECUTE_STATEMENT_ERROR);
+          e, OperationType.INSERT_TABLET, 
TSStatusCode.EXECUTE_STATEMENT_ERROR);
     } finally {
       CommonUtils.addStatementExecutionLatency(
-              OperationType.INSERT_TABLET, StatementType.BATCH_INSERT.name(), 
System.nanoTime() - t1);
+          OperationType.INSERT_TABLET, StatementType.BATCH_INSERT.name(), 
System.nanoTime() - t1);
       SESSION_MANAGER.updateIdleTime();
       if (quota != null) {
         quota.close();
@@ -2145,7 +2145,7 @@ public class ClientRPCServiceImpl implements 
IClientRPCServiceWithHandler {
 
       // check whether measurement is legal according to syntax convention
       req.setMeasurementsList(
-              
PathUtils.checkIsLegalSingleMeasurementListsAndUpdate(req.getMeasurementsList()));
+          
PathUtils.checkIsLegalSingleMeasurementListsAndUpdate(req.getMeasurementsList()));
 
       InsertRowsStatement statement = StatementGenerator.createStatement(req);
       // return success when this statement is empty because server doesn't 
need to execute it
@@ -2155,11 +2155,11 @@ public class ClientRPCServiceImpl implements 
IClientRPCServiceWithHandler {
 
       if (ENABLE_AUDIT_LOG) {
         AuditLogger.log(
-                String.format(
-                        "insertRecords, first device %s, first time %s",
-                        req.prefixPaths.get(0), req.getTimestamps().get(0)),
-                statement,
-                true);
+            String.format(
+                "insertRecords, first device %s, first time %s",
+                req.prefixPaths.get(0), req.getTimestamps().get(0)),
+            statement,
+            true);
       }
 
       // permission check
@@ -2169,30 +2169,30 @@ public class ClientRPCServiceImpl implements 
IClientRPCServiceWithHandler {
       }
 
       quota =
-              DataNodeThrottleQuotaManager.getInstance()
-                      
.checkQuota(SESSION_MANAGER.getCurrSession().getUsername(), statement);
+          DataNodeThrottleQuotaManager.getInstance()
+              .checkQuota(SESSION_MANAGER.getCurrSession().getUsername(), 
statement);
 
       long queryId = SESSION_MANAGER.requestQueryId();
       ExecutionResult result =
-              COORDINATOR.executeForTreeModel(
-                      statement,
-                      queryId,
-                      SESSION_MANAGER.getSessionInfo(clientSession),
-                      "",
-                      partitionFetcher,
-                      schemaFetcher);
+          COORDINATOR.executeForTreeModel(
+              statement,
+              queryId,
+              SESSION_MANAGER.getSessionInfo(clientSession),
+              "",
+              partitionFetcher,
+              schemaFetcher);
 
       return result.status;
     } catch (IoTDBException e) {
       return onIoTDBException(e, OperationType.INSERT_STRING_RECORDS, 
e.getErrorCode());
     } catch (Exception e) {
       return onNpeOrUnexpectedException(
-              e, OperationType.INSERT_STRING_RECORDS, 
TSStatusCode.EXECUTE_STATEMENT_ERROR);
+          e, OperationType.INSERT_STRING_RECORDS, 
TSStatusCode.EXECUTE_STATEMENT_ERROR);
     } finally {
       CommonUtils.addStatementExecutionLatency(
-              OperationType.INSERT_STRING_RECORDS,
-              StatementType.BATCH_INSERT_ROWS.name(),
-              System.nanoTime() - t1);
+          OperationType.INSERT_STRING_RECORDS,
+          StatementType.BATCH_INSERT_ROWS.name(),
+          System.nanoTime() - t1);
       SESSION_MANAGER.updateIdleTime();
       if (quota != null) {
         quota.close();
@@ -2260,20 +2260,20 @@ public class ClientRPCServiceImpl implements 
IClientRPCServiceWithHandler {
 
       long queryId = SESSION_MANAGER.requestQueryId();
       ExecutionResult result =
-              COORDINATOR.executeForTreeModel(
-                      statement,
-                      queryId,
-                      SESSION_MANAGER.getSessionInfo(clientSession),
-                      "",
-                      partitionFetcher,
-                      schemaFetcher);
+          COORDINATOR.executeForTreeModel(
+              statement,
+              queryId,
+              SESSION_MANAGER.getSessionInfo(clientSession),
+              "",
+              partitionFetcher,
+              schemaFetcher);
 
       return result.status;
     } catch (IoTDBException e) {
       return onIoTDBException(e, OperationType.DELETE_DATA, e.getErrorCode());
     } catch (Exception e) {
       return onNpeOrUnexpectedException(
-              e, OperationType.DELETE_DATA, 
TSStatusCode.EXECUTE_STATEMENT_ERROR);
+          e, OperationType.DELETE_DATA, TSStatusCode.EXECUTE_STATEMENT_ERROR);
     } finally {
       SESSION_MANAGER.updateIdleTime();
     }
@@ -2324,20 +2324,20 @@ public class ClientRPCServiceImpl implements 
IClientRPCServiceWithHandler {
       // Step 2: call the coordinator
       long queryId = SESSION_MANAGER.requestQueryId();
       ExecutionResult result =
-              COORDINATOR.executeForTreeModel(
-                      statement,
-                      queryId,
-                      SESSION_MANAGER.getSessionInfo(clientSession),
-                      "",
-                      partitionFetcher,
-                      schemaFetcher);
+          COORDINATOR.executeForTreeModel(
+              statement,
+              queryId,
+              SESSION_MANAGER.getSessionInfo(clientSession),
+              "",
+              partitionFetcher,
+              schemaFetcher);
 
       return result.status;
     } catch (IoTDBException e) {
       return onIoTDBException(e, OperationType.CREATE_SCHEMA_TEMPLATE, 
e.getErrorCode());
     } catch (Exception e) {
       return onNpeOrUnexpectedException(
-              e, OperationType.CREATE_SCHEMA_TEMPLATE, 
TSStatusCode.EXECUTE_STATEMENT_ERROR);
+          e, OperationType.CREATE_SCHEMA_TEMPLATE, 
TSStatusCode.EXECUTE_STATEMENT_ERROR);
     } finally {
       SESSION_MANAGER.updateIdleTime();
     }
@@ -2346,13 +2346,13 @@ public class ClientRPCServiceImpl implements 
IClientRPCServiceWithHandler {
   @Override
   public TSStatus appendSchemaTemplate(TSAppendSchemaTemplateReq req) {
     return RpcUtils.getStatus(
-            TSStatusCode.UNSUPPORTED_OPERATION, "Modify template has not been 
supported.");
+        TSStatusCode.UNSUPPORTED_OPERATION, "Modify template has not been 
supported.");
   }
 
   @Override
   public TSStatus pruneSchemaTemplate(TSPruneSchemaTemplateReq req) {
     return RpcUtils.getStatus(
-            TSStatusCode.UNSUPPORTED_OPERATION, "Modify template has not been 
supported.");
+        TSStatusCode.UNSUPPORTED_OPERATION, "Modify template has not been 
supported.");
   }
 
   @Override
@@ -2373,9 +2373,9 @@ public class ClientRPCServiceImpl implements 
IClientRPCServiceWithHandler {
       Statement statement = StatementGenerator.createStatement(req);
       if (statement == null) {
         resp.setStatus(
-                RpcUtils.getStatus(
-                        TSStatusCode.UNSUPPORTED_OPERATION,
-                        TemplateQueryType.values()[req.getQueryType()].name() 
+ "has not been supported."));
+            RpcUtils.getStatus(
+                TSStatusCode.UNSUPPORTED_OPERATION,
+                TemplateQueryType.values()[req.getQueryType()].name() + "has 
not been supported."));
         return resp;
       }
       switch (TemplateQueryType.values()[req.getQueryType()]) {
@@ -2397,8 +2397,8 @@ public class ClientRPCServiceImpl implements 
IClientRPCServiceWithHandler {
       return executeTemplateQueryStatement(statement, req, resp);
     } catch (Exception e) {
       resp.setStatus(
-              onNpeOrUnexpectedException(
-                      e, OperationType.EXECUTE_QUERY_STATEMENT, 
TSStatusCode.EXECUTE_STATEMENT_ERROR));
+          onNpeOrUnexpectedException(
+              e, OperationType.EXECUTE_QUERY_STATEMENT, 
TSStatusCode.EXECUTE_STATEMENT_ERROR));
       return resp;
     } finally {
       SESSION_MANAGER.updateIdleTime();
@@ -2419,8 +2419,8 @@ public class ClientRPCServiceImpl implements 
IClientRPCServiceWithHandler {
       return resp;
     } catch (Exception e) {
       resp.setStatus(
-              onNpeOrUnexpectedException(
-                      e, OperationType.EXECUTE_QUERY_STATEMENT, 
TSStatusCode.EXECUTE_STATEMENT_ERROR));
+          onNpeOrUnexpectedException(
+              e, OperationType.EXECUTE_QUERY_STATEMENT, 
TSStatusCode.EXECUTE_STATEMENT_ERROR));
       return resp;
     } finally {
       SESSION_MANAGER.updateIdleTime();
@@ -2444,22 +2444,22 @@ public class ClientRPCServiceImpl implements 
IClientRPCServiceWithHandler {
 
       if (IoTDBDescriptor.getInstance().getConfig().getDataNodeId() == nodeId) 
{
         resp.setContent(
-                ConfigurationFileUtils.readConfigFileContent(
-                        
IoTDBDescriptor.getPropsUrl(CommonConfig.SYSTEM_CONFIG_NAME)));
+            ConfigurationFileUtils.readConfigFileContent(
+                IoTDBDescriptor.getPropsUrl(CommonConfig.SYSTEM_CONFIG_NAME)));
         resp.setStatus(RpcUtils.getStatus(TSStatusCode.SUCCESS_STATUS));
         return resp;
       }
 
       try (ConfigNodeClient client =
-                   
ConfigNodeClientManager.getInstance().borrowClient(ConfigNodeInfo.CONFIG_REGION_ID))
 {
+          
ConfigNodeClientManager.getInstance().borrowClient(ConfigNodeInfo.CONFIG_REGION_ID))
 {
         return client.showConfiguration(nodeId);
       } catch (ClientManagerException e) {
         throw new TException(e);
       }
     } catch (Exception e) {
       resp.setStatus(
-              onNpeOrUnexpectedException(
-                      e, OperationType.EXECUTE_QUERY_STATEMENT, 
TSStatusCode.EXECUTE_STATEMENT_ERROR));
+          onNpeOrUnexpectedException(
+              e, OperationType.EXECUTE_QUERY_STATEMENT, 
TSStatusCode.EXECUTE_STATEMENT_ERROR));
       return resp;
     } finally {
       SESSION_MANAGER.updateIdleTime();
@@ -2467,7 +2467,7 @@ public class ClientRPCServiceImpl implements 
IClientRPCServiceWithHandler {
   }
 
   private TSQueryTemplateResp executeTemplateQueryStatement(
-          Statement statement, TSQueryTemplateReq req, TSQueryTemplateResp 
resp) {
+      Statement statement, TSQueryTemplateReq req, TSQueryTemplateResp resp) {
     long startTime = System.nanoTime();
     OperationQuota quota = null;
     try {
@@ -2480,8 +2480,8 @@ public class ClientRPCServiceImpl implements 
IClientRPCServiceWithHandler {
       }
 
       quota =
-              DataNodeThrottleQuotaManager.getInstance()
-                      
.checkQuota(SESSION_MANAGER.getCurrSession().getUsername(), statement);
+          DataNodeThrottleQuotaManager.getInstance()
+              .checkQuota(SESSION_MANAGER.getCurrSession().getUsername(), 
statement);
 
       if (ENABLE_AUDIT_LOG) {
         AuditLogger.log(String.format("execute Query: %s", statement), 
statement);
@@ -2489,18 +2489,18 @@ public class ClientRPCServiceImpl implements 
IClientRPCServiceWithHandler {
       long queryId = SESSION_MANAGER.requestQueryId();
       // create and cache dataset
       ExecutionResult executionResult =
-              COORDINATOR.executeForTreeModel(
-                      statement,
-                      queryId,
-                      SESSION_MANAGER.getSessionInfo(clientSession),
-                      null,
-                      partitionFetcher,
-                      schemaFetcher,
-                      config.getQueryTimeoutThreshold(),
-                      true);
+          COORDINATOR.executeForTreeModel(
+              statement,
+              queryId,
+              SESSION_MANAGER.getSessionInfo(clientSession),
+              null,
+              partitionFetcher,
+              schemaFetcher,
+              config.getQueryTimeoutThreshold(),
+              true);
 
       if (executionResult.status.code != 
TSStatusCode.SUCCESS_STATUS.getStatusCode()
-              && executionResult.status.code != 
TSStatusCode.REDIRECTION_RECOMMEND.getStatusCode()) {
+          && executionResult.status.code != 
TSStatusCode.REDIRECTION_RECOMMEND.getStatusCode()) {
         resp.setStatus(executionResult.status);
         return resp;
       }
@@ -2530,13 +2530,13 @@ public class ClientRPCServiceImpl implements 
IClientRPCServiceWithHandler {
       }
     } catch (Exception e) {
       resp.setStatus(
-              onQueryException(e, "\"" + statement + "\". " + 
OperationType.EXECUTE_STATEMENT));
+          onQueryException(e, "\"" + statement + "\". " + 
OperationType.EXECUTE_STATEMENT));
       return null;
     } finally {
       CommonUtils.addStatementExecutionLatency(
-              OperationType.EXECUTE_STATEMENT,
-              statement.getType().name(),
-              System.nanoTime() - startTime);
+          OperationType.EXECUTE_STATEMENT,
+          statement.getType().name(),
+          System.nanoTime() - startTime);
       SESSION_MANAGER.updateIdleTime();
     }
   }
@@ -2556,8 +2556,8 @@ public class ClientRPCServiceImpl implements 
IClientRPCServiceWithHandler {
 
       if (ENABLE_AUDIT_LOG) {
         AuditLogger.log(
-                String.format("set device template %s.%s", 
req.getTemplateName(), req.getPrefixPath()),
-                statement);
+            String.format("set device template %s.%s", req.getTemplateName(), 
req.getPrefixPath()),
+            statement);
       }
 
       // permission check
@@ -2569,20 +2569,20 @@ public class ClientRPCServiceImpl implements 
IClientRPCServiceWithHandler {
       // Step 2: call the coordinator
       long queryId = SESSION_MANAGER.requestQueryId();
       ExecutionResult result =
-              COORDINATOR.executeForTreeModel(
-                      statement,
-                      queryId,
-                      SESSION_MANAGER.getSessionInfo(clientSession),
-                      "",
-                      partitionFetcher,
-                      schemaFetcher);
+          COORDINATOR.executeForTreeModel(
+              statement,
+              queryId,
+              SESSION_MANAGER.getSessionInfo(clientSession),
+              "",
+              partitionFetcher,
+              schemaFetcher);
 
       return result.status;
     } catch (IllegalPathException e) {
       return onIoTDBException(e, OperationType.EXECUTE_STATEMENT, 
e.getErrorCode());
     } catch (Exception e) {
       return onNpeOrUnexpectedException(
-              e, OperationType.EXECUTE_STATEMENT, 
TSStatusCode.EXECUTE_STATEMENT_ERROR);
+          e, OperationType.EXECUTE_STATEMENT, 
TSStatusCode.EXECUTE_STATEMENT_ERROR);
     } finally {
       SESSION_MANAGER.updateIdleTime();
     }
@@ -2603,9 +2603,9 @@ public class ClientRPCServiceImpl implements 
IClientRPCServiceWithHandler {
 
       if (ENABLE_AUDIT_LOG) {
         AuditLogger.log(
-                String.format(
-                        "unset device template %s from %s", 
req.getTemplateName(), req.getPrefixPath()),
-                statement);
+            String.format(
+                "unset device template %s from %s", req.getTemplateName(), 
req.getPrefixPath()),
+            statement);
       }
 
       // permission check
@@ -2617,20 +2617,20 @@ public class ClientRPCServiceImpl implements 
IClientRPCServiceWithHandler {
       // Step 2: call the coordinator
       long queryId = SESSION_MANAGER.requestQueryId();
       ExecutionResult result =
-              COORDINATOR.executeForTreeModel(
-                      statement,
-                      queryId,
-                      SESSION_MANAGER.getSessionInfo(clientSession),
-                      "",
-                      partitionFetcher,
-                      schemaFetcher);
+          COORDINATOR.executeForTreeModel(
+              statement,
+              queryId,
+              SESSION_MANAGER.getSessionInfo(clientSession),
+              "",
+              partitionFetcher,
+              schemaFetcher);
 
       return result.status;
     } catch (IllegalPathException e) {
       return onIoTDBException(e, OperationType.EXECUTE_STATEMENT, 
e.getErrorCode());
     } catch (Exception e) {
       return onNpeOrUnexpectedException(
-              e, OperationType.EXECUTE_STATEMENT, 
TSStatusCode.EXECUTE_STATEMENT_ERROR);
+          e, OperationType.EXECUTE_STATEMENT, 
TSStatusCode.EXECUTE_STATEMENT_ERROR);
     } finally {
       SESSION_MANAGER.updateIdleTime();
     }
@@ -2662,18 +2662,18 @@ public class ClientRPCServiceImpl implements 
IClientRPCServiceWithHandler {
       // Step 2: call the coordinator
       long queryId = SESSION_MANAGER.requestQueryId();
       ExecutionResult result =
-              COORDINATOR.executeForTreeModel(
-                      statement,
-                      queryId,
-                      SESSION_MANAGER.getSessionInfo(clientSession),
-                      "",
-                      partitionFetcher,
-                      schemaFetcher);
+          COORDINATOR.executeForTreeModel(
+              statement,
+              queryId,
+              SESSION_MANAGER.getSessionInfo(clientSession),
+              "",
+              partitionFetcher,
+              schemaFetcher);
 
       return result.status;
     } catch (Exception e) {
       return onNpeOrUnexpectedException(
-              e, OperationType.EXECUTE_STATEMENT, 
TSStatusCode.EXECUTE_STATEMENT_ERROR);
+          e, OperationType.EXECUTE_STATEMENT, 
TSStatusCode.EXECUTE_STATEMENT_ERROR);
     } finally {
       SESSION_MANAGER.updateIdleTime();
     }
@@ -2681,7 +2681,7 @@ public class ClientRPCServiceImpl implements 
IClientRPCServiceWithHandler {
 
   @Override
   public TSStatus 
createTimeseriesUsingSchemaTemplate(TCreateTimeseriesUsingSchemaTemplateReq req)
-          throws TException {
+      throws TException {
     try {
       IClientSession clientSession = 
SESSION_MANAGER.getCurrSessionAndUpdateIdleTime();
       if (!SESSION_MANAGER.checkLogin(clientSession)) {
@@ -2690,11 +2690,11 @@ public class ClientRPCServiceImpl implements 
IClientRPCServiceWithHandler {
 
       // Step 1: transfer to Statement
       BatchActivateTemplateStatement statement =
-              
StatementGenerator.createBatchActivateTemplateStatement(req.getDevicePathList());
+          
StatementGenerator.createBatchActivateTemplateStatement(req.getDevicePathList());
 
       if (ENABLE_AUDIT_LOG) {
         AuditLogger.log(
-                String.format("batch activate device template %s", 
req.getDevicePathList()), statement);
+            String.format("batch activate device template %s", 
req.getDevicePathList()), statement);
       }
 
       // permission check
@@ -2706,20 +2706,20 @@ public class ClientRPCServiceImpl implements 
IClientRPCServiceWithHandler {
       // Step 2: call the coordinator
       long queryId = SESSION_MANAGER.requestQueryId();
       ExecutionResult result =
-              COORDINATOR.executeForTreeModel(
-                      statement,
-                      queryId,
-                      SESSION_MANAGER.getSessionInfo(clientSession),
-                      "",
-                      partitionFetcher,
-                      schemaFetcher);
+          COORDINATOR.executeForTreeModel(
+              statement,
+              queryId,
+              SESSION_MANAGER.getSessionInfo(clientSession),
+              "",
+              partitionFetcher,
+              schemaFetcher);
 
       return result.status;
     } catch (IoTDBException e) {
       return onIoTDBException(e, OperationType.EXECUTE_STATEMENT, 
e.getErrorCode());
     } catch (Exception e) {
       return onNpeOrUnexpectedException(
-              e, OperationType.EXECUTE_STATEMENT, 
TSStatusCode.EXECUTE_STATEMENT_ERROR);
+          e, OperationType.EXECUTE_STATEMENT, 
TSStatusCode.EXECUTE_STATEMENT_ERROR);
     } finally {
       SESSION_MANAGER.updateIdleTime();
     }
@@ -2728,12 +2728,12 @@ public class ClientRPCServiceImpl implements 
IClientRPCServiceWithHandler {
   @Override
   public TSStatus handshake(final TSyncIdentityInfo info) throws TException {
     return PipeDataNodeAgent.receiver()
-            .legacy()
-            .handshake(
-                    info,
-                    SESSION_MANAGER.getCurrSession().getClientAddress(),
-                    partitionFetcher,
-                    schemaFetcher);
+        .legacy()
+        .handshake(
+            info,
+            SESSION_MANAGER.getCurrSession().getClientAddress(),
+            partitionFetcher,
+            schemaFetcher);
   }
 
   @Override
@@ -2743,7 +2743,7 @@ public class ClientRPCServiceImpl implements 
IClientRPCServiceWithHandler {
 
   @Override
   public TSStatus sendFile(final TSyncTransportMetaInfo metaInfo, final 
ByteBuffer buff)
-          throws TException {
+      throws TException {
     return PipeDataNodeAgent.receiver().legacy().transportFile(metaInfo, buff);
   }
 
@@ -2789,10 +2789,10 @@ public class ClientRPCServiceImpl implements 
IClientRPCServiceWithHandler {
 
       if (ENABLE_AUDIT_LOG) {
         AuditLogger.log(
-                String.format(
-                        "insertStringRecord, device %s, time %s", 
req.getPrefixPath(), req.getTimestamp()),
-                statement,
-                true);
+            String.format(
+                "insertStringRecord, device %s, time %s", req.getPrefixPath(), 
req.getTimestamp()),
+            statement,
+            true);
       }
 
       // Permission check
@@ -2802,29 +2802,29 @@ public class ClientRPCServiceImpl implements 
IClientRPCServiceWithHandler {
       }
 
       quota =
-              DataNodeThrottleQuotaManager.getInstance()
-                      
.checkQuota(SESSION_MANAGER.getCurrSession().getUsername(), statement);
+          DataNodeThrottleQuotaManager.getInstance()
+              .checkQuota(SESSION_MANAGER.getCurrSession().getUsername(), 
statement);
 
       // Step 2: Call the coordinator
       final long queryId = SESSION_MANAGER.requestQueryId();
       final ExecutionResult result =
-              COORDINATOR.executeForTreeModel(
-                      statement,
-                      queryId,
-                      SESSION_MANAGER.getSessionInfo(clientSession),
-                      "",
-                      partitionFetcher,
-                      schemaFetcher);
+          COORDINATOR.executeForTreeModel(
+              statement,
+              queryId,
+              SESSION_MANAGER.getSessionInfo(clientSession),
+              "",
+              partitionFetcher,
+              schemaFetcher);
 
       return result.status;
     } catch (IoTDBException e) {
       return onIoTDBException(e, OperationType.INSERT_STRING_RECORD, 
e.getErrorCode());
     } catch (Exception e) {
       return onNpeOrUnexpectedException(
-              e, OperationType.INSERT_STRING_RECORD, 
TSStatusCode.EXECUTE_STATEMENT_ERROR);
+          e, OperationType.INSERT_STRING_RECORD, 
TSStatusCode.EXECUTE_STATEMENT_ERROR);
     } finally {
       CommonUtils.addStatementExecutionLatency(
-              OperationType.INSERT_STRING_RECORD, StatementType.INSERT.name(), 
System.nanoTime() - t1);
+          OperationType.INSERT_STRING_RECORD, StatementType.INSERT.name(), 
System.nanoTime() - t1);
       SESSION_MANAGER.updateIdleTime();
       if (quota != null) {
         quota.close();
@@ -2847,8 +2847,8 @@ public class ClientRPCServiceImpl implements 
IClientRPCServiceWithHandler {
 
   protected TSStatus getNotLoggedInStatus() {
     return RpcUtils.getStatus(
-            TSStatusCode.NOT_LOGIN,
-            "Log in failed. Either you are not authorized or the session has 
timed out.");
+        TSStatusCode.NOT_LOGIN,
+        "Log in failed. Either you are not authorized or the session has timed 
out.");
   }
 
   private String checkIdentifierAndRemoveBackQuotesIfNecessary(String 
identifier) {
@@ -2880,74 +2880,74 @@ public class ClientRPCServiceImpl implements 
IClientRPCServiceWithHandler {
    * @return the execution result
    */
   private ExecutionResult executeBatchStatement(
-          final Statement statement,
-          final long queryId,
-          final SessionInfo sessionInfo,
-          final String statementStr,
-          final IPartitionFetcher partitionFetcher,
-          final ISchemaFetcher schemaFetcher,
-          final long timeoutMs,
-          final boolean userQuery) {
+      final Statement statement,
+      final long queryId,
+      final SessionInfo sessionInfo,
+      final String statementStr,
+      final IPartitionFetcher partitionFetcher,
+      final ISchemaFetcher schemaFetcher,
+      final long timeoutMs,
+      final boolean userQuery) {
 
     ExecutionResult result = null;
     final List<? extends Statement> subStatements = 
statement.getSubStatements();
     final int totalSubStatements = subStatements.size();
 
     LOGGER.info(
-            "Start batch executing {} sub-statement(s) in tree model, queryId: 
{}",
-            totalSubStatements,
-            queryId);
+        "Start batch executing {} sub-statement(s) in tree model, queryId: {}",
+        totalSubStatements,
+        queryId);
 
     for (int i = 0; i < totalSubStatements; i++) {
       final Statement subStatement = subStatements.get(i);
 
       LOGGER.info(
-              "Executing sub-statement {}/{} in tree model, queryId: {}",
-              i + 1,
-              totalSubStatements,
-              queryId);
+          "Executing sub-statement {}/{} in tree model, queryId: {}",
+          i + 1,
+          totalSubStatements,
+          queryId);
 
       result =
-              COORDINATOR.executeForTreeModel(
-                      subStatement,
-                      queryId,
-                      sessionInfo,
-                      statementStr,
-                      partitionFetcher,
-                      schemaFetcher,
-                      timeoutMs,
-                      userQuery);
+          COORDINATOR.executeForTreeModel(
+              subStatement,
+              queryId,
+              sessionInfo,
+              statementStr,
+              partitionFetcher,
+              schemaFetcher,
+              timeoutMs,
+              userQuery);
 
       // Exit early if any sub-statement execution fails
       if (result != null
-              && result.status.getCode() != 
TSStatusCode.SUCCESS_STATUS.getStatusCode()) {
+          && result.status.getCode() != 
TSStatusCode.SUCCESS_STATUS.getStatusCode()) {
         final int completed = i + 1;
         final int remaining = totalSubStatements - completed;
         final double percentage = (completed * 100.0) / totalSubStatements;
         LOGGER.warn(
-                "Failed to execute sub-statement {}/{} in tree model, queryId: 
{}, completed: {}, remaining: {}, progress: {}%, error: {}",
-                i + 1,
-                totalSubStatements,
-                queryId,
-                completed,
-                remaining,
-                String.format("%.2f", percentage),
-                result.status.getMessage());
+            "Failed to execute sub-statement {}/{} in tree model, queryId: {}, 
completed: {}, remaining: {}, progress: {}%, error: {}",
+            i + 1,
+            totalSubStatements,
+            queryId,
+            completed,
+            remaining,
+            String.format("%.2f", percentage),
+            result.status.getMessage());
         break;
       }
 
       LOGGER.info(
-              "Successfully executed sub-statement {}/{} in tree model, 
queryId: {}",
-              i + 1,
-              totalSubStatements,
-              queryId);
+          "Successfully executed sub-statement {}/{} in tree model, queryId: 
{}",
+          i + 1,
+          totalSubStatements,
+          queryId);
     }
 
     if (result != null && result.status.getCode() == 
TSStatusCode.SUCCESS_STATUS.getStatusCode()) {
       LOGGER.info(
-              "Completed batch executing all {} sub-statement(s) in tree 
model, queryId: {}",
-              totalSubStatements,
-              queryId);
+          "Completed batch executing all {} sub-statement(s) in tree model, 
queryId: {}",
+          totalSubStatements,
+          queryId);
     }
 
     return result;
diff --git 
a/iotdb-core/datanode/src/main/java/org/apache/iotdb/db/schemaengine/schemaregion/ISchemaRegion.java
 
b/iotdb-core/datanode/src/main/java/org/apache/iotdb/db/schemaengine/schemaregion/ISchemaRegion.java
index f085900a153..7248fe26046 100644
--- 
a/iotdb-core/datanode/src/main/java/org/apache/iotdb/db/schemaengine/schemaregion/ISchemaRegion.java
+++ 
b/iotdb-core/datanode/src/main/java/org/apache/iotdb/db/schemaengine/schemaregion/ISchemaRegion.java
@@ -317,7 +317,9 @@ public interface ISchemaRegion {
       throws MetadataException;
 
   int fillLastQueryMap(
-      final PartialPath pattern, final Map<PartialPath, Map<String, 
TimeValuePair>> mapToFill, final PathPatternTree scope)
+      final PartialPath pattern,
+      final Map<PartialPath, Map<String, TimeValuePair>> mapToFill,
+      final PathPatternTree scope)
       throws MetadataException;
 
   // endregion
diff --git 
a/iotdb-core/datanode/src/main/java/org/apache/iotdb/db/schemaengine/schemaregion/impl/SchemaRegionMemoryImpl.java
 
b/iotdb-core/datanode/src/main/java/org/apache/iotdb/db/schemaengine/schemaregion/impl/SchemaRegionMemoryImpl.java
index a964b7de4af..2f75914e51f 100644
--- 
a/iotdb-core/datanode/src/main/java/org/apache/iotdb/db/schemaengine/schemaregion/impl/SchemaRegionMemoryImpl.java
+++ 
b/iotdb-core/datanode/src/main/java/org/apache/iotdb/db/schemaengine/schemaregion/impl/SchemaRegionMemoryImpl.java
@@ -1335,7 +1335,9 @@ public class SchemaRegionMemoryImpl implements 
ISchemaRegion {
 
   @Override
   public int fillLastQueryMap(
-      final PartialPath pattern, final Map<PartialPath, Map<String, 
TimeValuePair>> mapToFill, final PathPatternTree scope)
+      final PartialPath pattern,
+      final Map<PartialPath, Map<String, TimeValuePair>> mapToFill,
+      final PathPatternTree scope)
       throws MetadataException {
     return mTree.fillLastQueryMap(pattern, mapToFill, scope);
   }
diff --git 
a/iotdb-core/datanode/src/main/java/org/apache/iotdb/db/schemaengine/schemaregion/impl/SchemaRegionPBTreeImpl.java
 
b/iotdb-core/datanode/src/main/java/org/apache/iotdb/db/schemaengine/schemaregion/impl/SchemaRegionPBTreeImpl.java
index d4e773dd593..73bbce272e2 100644
--- 
a/iotdb-core/datanode/src/main/java/org/apache/iotdb/db/schemaengine/schemaregion/impl/SchemaRegionPBTreeImpl.java
+++ 
b/iotdb-core/datanode/src/main/java/org/apache/iotdb/db/schemaengine/schemaregion/impl/SchemaRegionPBTreeImpl.java
@@ -1440,7 +1440,9 @@ public class SchemaRegionPBTreeImpl implements 
ISchemaRegion {
 
   @Override
   public int fillLastQueryMap(
-      final PartialPath pattern, final Map<PartialPath, Map<String, 
TimeValuePair>> mapToFill, final PathPatternTree scope) {
+      final PartialPath pattern,
+      final Map<PartialPath, Map<String, TimeValuePair>> mapToFill,
+      final PathPatternTree scope) {
     throw new UnsupportedOperationException("Not implemented");
   }
 
diff --git 
a/iotdb-core/datanode/src/main/java/org/apache/iotdb/db/schemaengine/schemaregion/mtree/impl/mem/MTreeBelowSGMemoryImpl.java
 
b/iotdb-core/datanode/src/main/java/org/apache/iotdb/db/schemaengine/schemaregion/mtree/impl/mem/MTreeBelowSGMemoryImpl.java
index e55b79f4645..b6f1221f701 100644
--- 
a/iotdb-core/datanode/src/main/java/org/apache/iotdb/db/schemaengine/schemaregion/mtree/impl/mem/MTreeBelowSGMemoryImpl.java
+++ 
b/iotdb-core/datanode/src/main/java/org/apache/iotdb/db/schemaengine/schemaregion/mtree/impl/mem/MTreeBelowSGMemoryImpl.java
@@ -1085,7 +1085,9 @@ public class MTreeBelowSGMemoryImpl {
   }
 
   public int fillLastQueryMap(
-      final PartialPath prefixPath, final Map<PartialPath, Map<String, 
TimeValuePair>> mapToFill, final PathPatternTree scope)
+      final PartialPath prefixPath,
+      final Map<PartialPath, Map<String, TimeValuePair>> mapToFill,
+      final PathPatternTree scope)
       throws MetadataException {
     final int[] sensorNum = {0};
     try (final EntityUpdater<IMemMNode> updater =

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